using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.Geometry;
using KGIS.Framework.AE;
using KGIS.Framework.Maps;
using KGIS.Framework.Platform;
using KGIS.Framework.Utils;
using KGIS.Framework.Utils.Enum;
using KGIS.Framework.Utils.ExtensionMethod;
using KGIS.Framework.Utils.Helper;
using KGIS.Framework.Utils.Model;
using Kingo.Plugin.EngineEditor.Common;
using Kingo.Plugin.EngineEditor.Model;
using Kingo.Plugin.EngineEditor.Views;
using Kingo.PluginServiceInterface;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using UIShell.OSGi;

namespace Kingo.Plugin.EngineEditor.Commands.Tools
{
    /// <summary>
    /// 画双线（道路线）工具
    /// </summary>
    public class ControlsEditingDrawDoubleLineTool : BaseToolCommand
    {
        private IEngineSnapEnvironment snapEnv = null;

        #region 私有变量
        //KOTilesLayer layer = null;
        private EngineEditorClass m_editor;
        private IHookHelper m_hookHelper;
        /// <summary>
        /// 平移工具
        /// </summary>
        private ControlsMapPanToolClass panTool = new ControlsMapPanToolClass();
        /// <summary>
        /// 中间线
        /// </summary>
        private LineModel MiddleLine;
        /// <summary>
        /// 左边线
        /// </summary>
        private LineModel LeftLine;
        /// <summary>
        /// 右边线
        /// </summary>
        private LineModel RightLine;
        private bool _IsDrawing;
        /// <summary>
        /// 正在绘制
        /// </summary>
        private bool IsDrawing
        {
            get
            {
                return _IsDrawing;
            }
            set
            {
                _IsDrawing = value;
                if (_IsDrawing)
                {
                    (m_hookHelper.Hook as IMapControlDefault).AutoMouseWheel = false;
                    (m_hookHelper.Hook as IMapControlDefault).AutoKeyboardScrolling = false;
                }
                else
                {
                    (m_hookHelper.Hook as IMapControlDefault).AutoMouseWheel = true;
                    (m_hookHelper.Hook as IMapControlDefault).AutoKeyboardScrolling = true;
                }
            }
        }
        private Boolean IsSpaceDown = false;
        private bool IsCtrlDown = false;
        private IElement TextElement;
        /// <summary>
        /// 记录鼠标当前位置
        /// </summary>
        private System.Drawing.Point MousePoint = new System.Drawing.Point();
        private bool IsChangedWidth = false;
        /// <summary>
        /// 道路线最小点间距
        /// </summary>
        private int MinPointDistance = 30;
        /// <summary>
        /// 道路线最大点间距
        /// </summary>
        private int MaxPointDistance = 80;

        private DrawParam drawParam { get; set; }
        FrmDrawDoublePolyline paramFrm = null;

        private bool IsAutoTrackPoint
        {
            set
            {
                if (MiddleLine != null)
                {
                    MiddleLine.IsAutoTrackPoint = value;
                }
                if (LeftLine != null)
                {
                    LeftLine.IsAutoTrackPoint = value;
                }
                if (RightLine != null)
                {
                    RightLine.IsAutoTrackPoint = value;
                }
            }
        }
        /// <summary>
        /// 是否自动追踪
        /// </summary>
        private bool IsAuto = false;

        #region 地图自动漫游相关变量
        /// <summary>
        /// 表示是否开启自动漫游功能
        /// </summary>
        private bool AllowMoveMap = false;
        /// <summary>
        /// 地图漫游计时器（表示多久移动一次地图）
        /// </summary>
        private System.Windows.Forms.Timer timer = new System.Windows.Forms.Timer();
        /// <summary>
        /// 鼠标距离地图边界的距离（当小于指定值是开始漫游）
        /// </summary>
        private int MapBorderDistance = 10;
        #endregion
        #region 自动识别功能相关变量
        /// <summary>
        /// 自动识别计时器（相隔一定时间，根据鼠标位置自动识别一次）
        /// </summary>
        private System.Windows.Forms.Timer autoDistinguishTimer = new System.Windows.Forms.Timer();
        /// <summary>
        /// 用于存放自动识别到的点元素集合
        /// </summary>
        private List<IElement> PointElement = new List<IElement>();
        /// <summary>
        /// 用于存放自动识别到的宽度
        /// </summary>
        private double TempWidht = 0;
        /// <summary>
        /// 用于临时存放自动识别到的中心点
        /// </summary>
        private IPoint TempCenterPoint = null;
        #endregion


        /// <summary>
        /// 记录捕捉Element上点的索引
        /// </summary>
        private int SnapElementPointIndex = -1;
        /// <summary>
        /// 记录捕捉的点在哪条线上（0：中心线；1：左边线；-1：右边线）
        /// </summary>
        private int SnapElementPointLine = 0;
        #endregion
        #region 重写BaseCommand
        public override void OnCreate(object hook)
        {
            try
            {
                if (m_hookHelper == null)
                {
                    m_hookHelper = new HookHelper();
                    m_hookHelper.Hook = hook;
                }

                panTool.OnCreate(hook);
                base.OnCreate(hook);

                m_editor = new EngineEditorClass();
                //m_editor.OnStopEditing += m_editor_OnStopEditing;
                //m_editor.OnTargetLayerChanged += m_editor_OnTargetLayerChanged;
                snapEnv = (IEngineSnapEnvironment)m_editor;
            }
            catch (Exception ex)
            {
                LogAPI.Debug("初始化 画双线 时异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("初始化 画双线 时异常信息结束");
            }
        }

        //void m_editor_OnTargetLayerChanged()
        //{
        //    if (paramFrm != null)
        //    {
        //        paramFrm.Close();
        //        paramFrm = null;
        //        base.Deactivate();
        //    }
        //}

        //void m_editor_OnStopEditing(bool saveChanges)
        //{
        //    if (paramFrm != null)
        //    {
        //        paramFrm.Close();
        //        paramFrm = null;
        //        base.Deactivate();
        //    }
        //}
        private bool IsDeactivate;
        //private EngineSnapAgentClass m_SnapAgent = null;
        private IMapService _MapService;
        public override void OnClick()
        {
            try
            {
                //KGIS.Framework.Common.Utils.LicenseManager.License();
                _MapService = MapsManager.Instance.MapService;
                if (m_editor.EditState != esriEngineEditState.esriEngineStateEditing)
                    return;
                base.OnClick();
                panTool.OnClick();
                if (drawParam == null)
                {
                    drawParam = new DrawParam();
                    drawParam.DrawMode = DrawMode.LeftAndRight;
                    drawParam.Width = 10;
                    drawParam.ToloranceScale = 0.2;
                }
                if (paramFrm != null)
                {
                    paramFrm.Close();
                }
                if (paramFrm == null)
                {
                    paramFrm = new FrmDrawDoublePolyline(drawParam);
                    paramFrm.SetParam(true, false);
                    paramFrm.Closed += paramFrm_Closed;
                    //paramFrm.Title = this.Caption;
                    //paramFrm.Topmost = true;
                    paramFrm.ShowInTaskbar = false;
                    paramFrm.Top = 175;
                    paramFrm.Left = 235;
                    paramFrm.Show();
                }
                timer.Interval = 100;
                timer.Tick += timer_Tick;
                autoDistinguishTimer.Interval = 100;
                autoDistinguishTimer.Tick += autoDistinguishTimer_Tick;
                AllowMoveMap = false;
                if (_MapService != null)
                {
                    _MapService.MapContainerMouseWheel -= Platfrom_MapMouseWheel;
                    _MapService.MapContainerMouseWheel += Platfrom_MapMouseWheel;
                }

                MiddleLine = new LineModel(m_hookHelper.ActiveView, esriSimpleLineStyle.esriSLSDash, 0.5);
                LeftLine = new LineModel(m_hookHelper.ActiveView, esriSimpleLineStyle.esriSLSSolid);
                RightLine = new LineModel(m_hookHelper.ActiveView, esriSimpleLineStyle.esriSLSSolid);
                this.MiddleLine.Init();
                this.RightLine.Init();
                this.LeftLine.Init();
                IsDeactivate = false;
                IsSpaceDown = false;
                base.m_cursor = System.Windows.Forms.Cursors.Cross;
            }
            catch (Exception ex)
            {
                LogAPI.Debug("点击 画双线 时异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("点击 画双线 时异常信息结束");

                MessageHelper.ShowError(ex.Message);
                //LogAPI.Debug(ex);
            }
        }
        /// <summary>
        /// 鼠标距离地图边界一定距离时，开始漫游
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void timer_Tick(object sender, EventArgs e)
        {
            try
            {
                IEnvelope extent = this.m_hookHelper.ActiveView.Extent;
                int centerX = 0;
                int centerY = 0;
                int rX = 0;
                int rY = 0;
                this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(new PointClass() { X = extent.XMax, Y = extent.YMin }, out rX, out rY);
                IPoint centerPoint = new PointClass() { X = extent.XMin + (extent.XMax - extent.XMin) / 2, Y = extent.YMin + (extent.YMax - extent.YMin) / 2 };
                this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(centerPoint, out centerX, out centerY);
                bool NeedPan = false;
                if (!IsDrawing)
                {
                    timer.Stop();
                    return;
                }
                if (MousePoint.X < MapBorderDistance)
                {
                    NeedPan = true;
                    centerX -= 5;
                }
                if (MousePoint.Y < MapBorderDistance)
                {
                    NeedPan = true;
                    centerY -= 5;
                }
                if (Math.Abs(rX - MousePoint.X) < MapBorderDistance)
                {
                    NeedPan = true;
                    centerX += 5;
                }
                if (Math.Abs(rY - MousePoint.Y) < MapBorderDistance)
                {
                    NeedPan = true;
                    centerY += 5;
                }
                if (NeedPan)
                {
                    centerPoint = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(centerX, centerY);
                    (this.m_hookHelper.Hook as IMapControl2).CenterAt(centerPoint);
                }
            }
            catch (Exception ex)
            {
                //LogAPI.Debug(ex);

                LogAPI.Debug("画双线时 计时器标记漫游 时异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("画双线时 计时器标记漫游 时异常信息结束");
            }
        }

        void paramFrm_Closed(object sender, EventArgs e)
        {
            paramFrm = null;
        }

        public override bool Enabled
        {
            get
            {
                if (MapsManager.Instance == null) return false;
                object pTemp = (MapsManager.Instance.CurrProjectInfo as ProjectInfo);
                if (pTemp == null)
                {
                    return false;
                }
                else
                {
                    m_editor = new EngineEditorClass();
                    if (m_editor.EditState == esriEngineEditState.esriEngineStateEditing && m_editor.TargetLayer != null)
                    {
                        if (m_editor.TargetLayer is IFeatureLayer && (m_editor.TargetLayer as IFeatureLayer).FeatureClass.ShapeType == esriGeometryType.esriGeometryPolyline)
                        {
                            return true;
                        }
                        else
                        {
                            if (this.IsDrawing)
                            {
                                this.Deactivate();
                            }
                            return false;
                        }
                    }
                    else
                    {
                        if (this.IsDrawing)
                        {
                            this.Deactivate();
                        }
                        return false;
                    }
                }
            }
        }
        #endregion
        IElement element = null;
        private int IsEnterClickNum = 0;
        private bool IsShiftDown = false;
        #region 重写BaseTool
        public override void OnKeyDown(int keyCode, int Shift)
        {
            try
            {
                base.OnKeyDown(keyCode, Shift);
                //键盘按下时不启用放大缩小功能
                (m_hookHelper.Hook as IMapControlDefault).AutoMouseWheel = false;
                (m_hookHelper.Hook as IMapControlDefault).AutoKeyboardScrolling = false;

                //----------------------
                IPoint point = this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(MousePoint.X, MousePoint.Y);
                Platform.Instance.SetCurrentKeyDown(keyCode);
                if (keyCode == (int)ConsoleKey.F7)
                {
                    try
                    {
                        #region 自动识别
                        if (TempCenterPoint == null || TempWidht <= 0)
                        {
                            //如果没有识别到，调用手动取点
                            this.OnKeyDown((int)ConsoleKey.F8, Shift);
                            return;
                        }
                        this.IsAuto = true;
                        if (TempWidht > 0 && MiddleLine.Line.PointCount == 1 && !IsChangedWidth)
                        {
                            //如果识别到点，并且已经绘制了一个点，并且宽度没有手动调整过，则应用识别的宽度并修改第一个点的宽度
                            this.drawParam.Width = TempWidht;
                            this.OnMouseMove(1, Shift, MousePoint.X, MousePoint.Y);
                            //Moveing(point);
                        }
                        this.drawParam.Width = TempWidht;
                        ///当前线上面最后一个点的X坐标
                        int endX = -1;
                        ///当前线上面最后一个点的Y坐标
                        int endY = -1;
                        ///下一个点的X坐标
                        int nextX = -1;
                        ///下一个点的Y坐标
                        int nextY = -1;
                        if (MiddleLine.Line.PointCount > 0)
                        {
                            this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(MiddleLine.Line.get_Point(MiddleLine.Line.PointCount - 1), out endX, out endY);
                        }
                        this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(TempCenterPoint, out nextX, out nextY);
                        if (nextX != -1 && nextY != -1 && endX != -1 && endY != -1)
                        {
                            IPolyline line = new PolylineClass();
                            line.FromPoint = MiddleLine.Line.get_Point(MiddleLine.Line.PointCount - 1);
                            line.ToPoint = TempCenterPoint;
                            //当两次取点距离小于30像素的时候，取消上一个点，以第二次的点为主
                            if (line.Length < 3)
                            {
                                //取消上一个点
                                this.OnKeyDown((int)ConsoleKey.F9, 0);
                            }
                            ///以识别到的点进行绘制新的点
                            LeftClick(nextX, nextY);
                            this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(MiddleLine.Line.get_Point(MiddleLine.Line.PointCount - 1), out nextX, out nextY);
                            //MoveMapExtent(nextX, nextY, 100);
                        }
                        TempCenterPoint = null;
                        #endregion
                    }
                    catch (Exception ex)
                    {
                        //LogAPI.Debug(ex);

                        LogAPI.Debug("画双线时键盘按下 F7 后自动识别 时异常，异常信息如下：");
                        LogAPI.Debug(ex);
                        LogAPI.Debug("画双线时键盘按下 F7 后自动识别 时异常信息结束");
                    }
                }
                else if (keyCode == (int)ConsoleKey.F8)
                {
                    try
                    {
                        #region 快捷键取点
                        this.IsAuto = false;
                        ///当前线上面最后一个点的X坐标
                        int endX = -1;
                        ///当前线上面最后一个点的Y坐标
                        int endY = -1;
                        if (MiddleLine.Line.PointCount > 0)
                        {
                            this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(MiddleLine.Line.get_Point(MiddleLine.Line.PointCount - 1), out endX, out endY);
                        }
                        //当两次取点距离小于30像素的时候，取消上一个点，以第二次的点为主
                        if (endX != -1 && endY != -1 && Math.Abs(MousePoint.X - endX) < 30 && Math.Abs(MousePoint.Y - endY) < 30)
                        {
                            //取消上一个点
                            this.OnKeyDown((int)ConsoleKey.F9, 0);
                        }
                        //绘制新的点
                        this.LeftClick(MousePoint.X, MousePoint.Y);
                        #endregion
                    }
                    catch (Exception ex)
                    {
                        //KGIS.Common.Utility.LogAPI.Debug(ex);

                        LogAPI.Debug("画双线时键盘按下 F8 后快捷键取点 时异常，异常信息如下：");
                        LogAPI.Debug(ex);
                        LogAPI.Debug("画双线时键盘按下 F8 后快捷键取点 时异常信息结束");
                    }
                }
                else if (keyCode == (int)ConsoleKey.F9 || keyCode == (int)ConsoleKey.Escape || keyCode == (int)ConsoleKey.Delete)
                {
                    try
                    {
                        if (this.MiddleLine.Line.PointCount > 0 && this.IsDrawing == false)
                        {
                            //删除点
                            #region 删除点
                            if (SnapElementPointIndex == -1)
                            {
                                SnapElementPointIndex = SnapElement(point, out SnapElementPointLine);
                            }
                            if (SnapElementPointIndex != -1 && SnapElementPointLine == 0)
                            {
                                MiddleLine.Line.RemovePoints(SnapElementPointIndex, 1);
                                LeftLine.Line.RemovePoints(SnapElementPointIndex, 1);
                                RightLine.Line.RemovePoints(SnapElementPointIndex, 1);
                                MiddleLine.RefreshPoint(SnapElementPointIndex);
                                LeftLine.RefreshPoint(SnapElementPointIndex);
                                RightLine.RefreshPoint(SnapElementPointIndex);
                                SnapElementPointIndex = -1;
                                SnapElementPointLine = int.MaxValue;
                            }
                            #endregion
                        }
                        else
                        {
                            //撤销点
                            #region 撤销点
                            IPointCollection tempLine = new Polyline();
                            if (LeftLine.Line.PointCount > 1)
                            {
                                LeftLine.Line.RemovePoints(LeftLine.Line.PointCount - 1, 1);
                                tempLine.AddPoint(LeftLine.Line.get_Point(LeftLine.Line.PointCount - 1));
                            }
                            else if (LeftLine.Line.PointCount == 1)
                            {
                                LeftLine.Line.RemovePoints(LeftLine.Line.PointCount - 1, 1);
                                LeftLine.FollowLine.Stop();//.RemovePoints(0, LeftLine.FollowLine.PointCount);
                                //LeftLine.DrawLine();
                            }
                            if (RightLine.Line.PointCount > 1)
                            {
                                RightLine.Line.RemovePoints(RightLine.Line.PointCount - 1, 1);
                                tempLine.AddPoint(RightLine.Line.get_Point(RightLine.Line.PointCount - 1));
                            }
                            else if (RightLine.Line.PointCount == 1)
                            {
                                RightLine.Line.RemovePoints(RightLine.Line.PointCount - 1, 1);
                                RightLine.FollowLine.Stop();//.RemovePoints(0, RightLine.FollowLine.PointCount);
                                //RightLine.DrawLine();
                            }
                            if (MiddleLine.Line.PointCount > 1)
                            {
                                MiddleLine.Line.RemovePoints(MiddleLine.Line.PointCount - 1, 1);
                                IEnvelope extent = m_hookHelper.ActiveView.Extent;
                                IPoint p = MiddleLine.Line.Point[MiddleLine.Line.PointCount - 1];
                                if (extent.XMax < p.X || extent.XMin > p.X || extent.YMax < p.Y || extent.YMin > p.Y)
                                {
                                    (this.m_hookHelper.Hook as IMapControl2).CenterAt(p);
                                }
                            }
                            else if (MiddleLine.Line.PointCount == 1)
                            {
                                MiddleLine.Line.RemovePoints(MiddleLine.Line.PointCount - 1, 1);
                                MiddleLine.FollowLine.Stop();//.RemovePoints(0, MiddleLine.FollowLine.PointCount);
                                //MiddleLine.DrawLine();
                                PointElement = new List<IElement>();
                                this.IsDrawing = false;
                            }
                            //计算前一个点时划线的宽度
                            //if (tempLine.PointCount == 2)
                            //{
                            //    this.drawParam.Width = (tempLine as IPolyline).Length;
                            //}

                            LeftLine.DrawLine(LeftLine.Line.PointCount);
                            RightLine.DrawLine(LeftLine.Line.PointCount);
                            MiddleLine.DrawLine(LeftLine.Line.PointCount);
                            this.OnMouseMove(1, Shift, MousePoint.X, MousePoint.Y);
                            //Moveing(point);
                            #endregion
                        }
                    }
                    catch (Exception ex)
                    {
                        //LogAPI.Debug(ex);

                        LogAPI.Debug("画双线时键盘按下 F9/ESC(ESCAPE)/DEL(DELETE) 后删除/撤销点 时异常，异常信息如下：");
                        LogAPI.Debug(ex);
                        LogAPI.Debug("画双线时键盘按下 F9/ESC(ESCAPE)/DEL(DELETE) 后删除/撤销点 时异常信息结束");
                    }
                }
                else if (keyCode == (int)ConsoleKey.Backspace)
                {
                    try
                    {
                        #region 清除绘制的图形
                        this.MiddleLine.Dissvoe();
                        this.MiddleLine.Init();
                        this.LeftLine.Dissvoe();
                        this.LeftLine.Init();
                        this.RightLine.Dissvoe();
                        this.RightLine.Init();
                        PointElement = new List<IElement>();
                        this.IsDrawing = false;
                        #endregion
                    }
                    catch (Exception ex)
                    {
                        //LogAPI.Debug(ex);

                        LogAPI.Debug("画双线时键盘按下 BACKSPACE 后清除绘制的图形 时异常，异常信息如下：");
                        LogAPI.Debug(ex);
                        LogAPI.Debug("画双线时键盘按下 BACKSPACE 后清除绘制的图形 时异常信息结束");
                    }
                }
                else if (keyCode == (int)ConsoleKey.Spacebar)
                {
                    try
                    {
                        #region 空格移动地图
                        if (!IsSpaceDown)
                        {
                            base.Deactivate();
                            IsSpaceDown = true;
                        }
                        base.m_cursor = System.Windows.Forms.Cursors.Hand;
                        //this.OnMouseMove(1, 0, MousePoint.X, MousePoint.Y);
                        #endregion
                    }
                    catch (Exception ex)
                    {
                        //LogAPI.Debug(ex);

                        LogAPI.Debug("画双线时键盘按下 SPACEBAR 后移动地图 时异常，异常信息如下：");
                        LogAPI.Debug(ex);
                        LogAPI.Debug("画双线时键盘按下 SPACEBAR 后移动地图 时异常信息结束");
                    }
                }
                else if (keyCode == (int)ConsoleKey.D9)
                {
                    try
                    {
                        #region 减小识别灵敏度
                        if (this.drawParam.ToloranceScale > 0.05)
                        {

                            this.drawParam.ToloranceScale -= 0.05;
                            autoDistinguishTimer.Stop();
                            autoDistinguishTimer.Start();
                        }
                        else
                        {
                            this.drawParam.ToloranceScale = 0.05;
                        }
                        #endregion
                    }
                    catch (Exception ex)
                    {
                        LogAPI.Debug("画双线时键盘按下 9 后减小识别灵敏度 时异常，异常信息如下：");
                        LogAPI.Debug(ex);
                        LogAPI.Debug("画双线时键盘按下 9 后减小识别灵敏度 时异常信息结束");
                    }
                }
                else if (keyCode == (int)ConsoleKey.D0)
                {
                    try
                    {
                        #region 增加识别灵敏度
                        if (this.drawParam.ToloranceScale < 0.5)
                        {
                            this.drawParam.ToloranceScale += 0.05;
                            autoDistinguishTimer.Stop();
                            autoDistinguishTimer.Start();
                        }
                        else
                        {
                            this.drawParam.ToloranceScale = 0.5;
                            autoDistinguishTimer.Stop();
                            autoDistinguishTimer.Start();
                        }
                        #endregion
                    }
                    catch (Exception ex)
                    {
                        LogAPI.Debug("画双线时键盘按下 0 后增加识别灵敏度 时异常，异常信息如下：");
                        LogAPI.Debug(ex);
                        LogAPI.Debug("画双线时键盘按下 0 后增加识别灵敏度 时异常信息结束");
                    }
                }
                else if (keyCode == 17)
                {
                    try
                    {
                        #region Ctrl键调整双线宽度
                        if (!IsCtrlDown)
                        {
                            (m_hookHelper.Hook as IMapControlDefault).AutoMouseWheel = false;
                            (m_hookHelper.Hook as IMapControlDefault).AutoKeyboardScrolling = false;

                            DrawTextElement(point, ref TextElement);
                            IsCtrlDown = true;
                        }
                        #endregion
                    }
                    catch (Exception ex)
                    {
                        LogAPI.Debug("画双线时键盘按下 Ctrl键后调整双线宽度 时异常，异常信息如下：");
                        LogAPI.Debug(ex);
                        LogAPI.Debug("画双线时键盘按下 Ctrl键后调整双线宽度 时异常信息结束");
                    }
                }
                else if (keyCode == 16)
                {
                    IsShiftDown = true;
                }
                else if (keyCode == (int)ConsoleKey.Enter)
                {
                    try
                    {
                        #region Enter
                        if (this.MiddleLine.Line.PointCount > 1)
                        {
                            if (IsEnterClickNum == 0)
                            {
                                IsEnterClickNum++;
                                IsDrawing = false;
                            }
                            else if (IsEnterClickNum == 1)
                            {
                                this.DrawComplete();
                                IsEnterClickNum = 0;
                                SnapElementPointIndex = -1;
                                SnapElementPointLine = 0;
                            }
                        }
                        #endregion
                    }
                    catch (Exception ex)
                    {
                        LogAPI.Debug("画双线时键盘按下 ENTER 键后保存 时异常，异常信息如下：");
                        LogAPI.Debug(ex);
                        LogAPI.Debug("画双线时键盘按下 ENTER 键后保存 时异常信息结束");
                    }
                }
                else if (keyCode == (int)ConsoleKey.Insert)
                {
                    try
                    {
                        //增加点
                        #region 增加点
                        if (SnapElementPointIndex == -1)
                        {
                            SnapElementPointIndex = SnapElement(point);

                            double a = GeometryOperations.getAngle(MiddleLine.Line.get_Point(0), MiddleLine.Line.get_Point(1));
                            if (SnapElementPointIndex != -1)
                            {
                                IPoint p = MiddleLine.Line.get_Point(SnapElementPointIndex);
                                double angle = GeometryOperations.getAngle(p, point);
                                if ((a > 0 && angle > 0) || (a < 0 && angle < 0))
                                {
                                    SnapElementPointIndex++;
                                }
                                else
                                {
                                    //if (a < 0 && angle < 0)
                                    //{
                                    //    SnapElementPointIndex++;
                                    //}
                                    //if (a > 45 && a < 135)
                                    //{
                                    //    if (angle > 0)
                                    //    {
                                    //        SnapElementPointIndex++;
                                    //    }
                                    //}
                                }
                                IPointCollection newPoint = new Polyline();
                                newPoint.AddPoint(point);
                                MiddleLine.Line.InsertPointCollection(SnapElementPointIndex, newPoint);
                                LeftLine.Line.InsertPointCollection(SnapElementPointIndex, newPoint);
                                RightLine.Line.InsertPointCollection(SnapElementPointIndex, newPoint);
                                SnapElementPointLine = 0;
                            }
                        }
                        #endregion
                    }
                    catch (Exception ex)
                    {
                        LogAPI.Debug("画双线时键盘按下 INS(INSERT) 键后增加点时异常，异常信息如下：");
                        LogAPI.Debug(ex);
                        LogAPI.Debug("画双线时键盘按下 INS(INSERT) 键后增加点时异常信息结束");
                    }
                }
            }
            catch (Exception ex)
            {
                //LogAPI.Debug(ex);

                LogAPI.Debug("画双线时键盘操作 时异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("画双线时键盘操作 时异常信息结束");
            }
        }
        public override void OnKeyUp(int keyCode, int Shift)
        {
            Platform.Instance.SetCurrentKeyDown(-1);
            base.OnKeyUp(keyCode, Shift);
            if (keyCode == (int)ConsoleKey.Spacebar)
            {
                if (IsSpaceDown && IsDrawing)
                {
                    m_hookHelper.ActiveView.Refresh();
                    base.OnClick();
                    IsSpaceDown = false;
                    base.m_cursor = System.Windows.Forms.Cursors.Cross;
                    //this.OnMouseMove(1, 0, MousePoint.X, MousePoint.Y);
                }
            }
            if (keyCode == 17)
            {
                if (!IsDrawing)
                {
                    (m_hookHelper.Hook as IMapControlDefault).AutoMouseWheel = true;
                    (m_hookHelper.Hook as IMapControlDefault).AutoKeyboardScrolling = true;
                }
                DelElement(ref TextElement);
                IsCtrlDown = false;
            }
            else if (keyCode == 16)
            {
                IsShiftDown = false;
            }
        }
        public override void OnMouseDown(int Button, int Shift, int X, int Y)
        {
            try
            {
                IsAuto = false;
                if (IsSpaceDown)
                {
                    base.Deactivate();
                    panTool.OnMouseDown(1, Shift, X, Y);
                    return;
                }
                if (Button == 1)
                {
                    //左键按下取点
                    IPoint point = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
                    if (snapEnv != null)
                    {
                        snapEnv.SnapPoint(point);
                    }
                    if (this.MiddleLine.Line.PointCount > 0 && IsDrawing == false)
                    {
                        #region 调整单个点的位置
                        if (SnapElementPointIndex == -1)
                        {
                            SnapElementPointIndex = SnapElement(point, out SnapElementPointLine);
                            //IsDrawing = true;
                        }
                        else
                        {
                            if (SnapElementPointLine == 0)
                            {
                                this.MiddleLine.Line.UpdatePoint(SnapElementPointIndex, point);
                                double angle = 0;
                                if (SnapElementPointIndex == 0)
                                {
                                    angle = GeometryOperations.getAngle(point, this.MiddleLine.Line.get_Point(SnapElementPointIndex + 1));
                                }
                                else
                                {
                                    angle = GeometryOperations.getAngle(this.MiddleLine.Line.get_Point(SnapElementPointIndex - 1), point);
                                }
                                this.LeftLine.Line.UpdatePoint(SnapElementPointIndex, GeometryOperations.GetPoint(point, this.drawParam.Width * 0.5, -angle));
                                this.RightLine.Line.UpdatePoint(SnapElementPointIndex, GeometryOperations.GetPoint(point, this.drawParam.Width * -0.5, -angle));
                                this.MiddleLine.RefreshPoint(SnapElementPointIndex);
                                this.LeftLine.RefreshPoint(SnapElementPointIndex);
                                this.RightLine.RefreshPoint(SnapElementPointIndex);
                            }
                            else if (SnapElementPointLine == 1)
                            {
                                this.LeftLine.Line.UpdatePoint(SnapElementPointIndex, point);
                                this.LeftLine.RefreshPoint(SnapElementPointIndex);
                            }
                            else if (SnapElementPointLine == -1)
                            {
                                this.RightLine.Line.UpdatePoint(SnapElementPointIndex, point);
                                this.RightLine.RefreshPoint(SnapElementPointIndex);
                            }
                            SnapElementPointIndex = -1;
                            IsDrawing = false;
                        }
                        #endregion
                    }
                    else
                    {
                        #region 绘制点
                        #region 根据道路宽度调整相关参数
                        if (TempWidht < 10)
                        {
                            MinPointDistance = 15;
                            MaxPointDistance = 40;
                        }
                        else if (TempWidht > 15)
                        {
                            MinPointDistance = 30;
                            MaxPointDistance = 80;
                        }
                        #endregion
                        if (this.MiddleLine.Line.PointCount > 0)
                        {
                            IPoint p = this.MiddleLine.Line.get_Point(this.MiddleLine.Line.PointCount - 1);
                            if (p.X == point.X && p.Y == point.Y)
                            {
                                return;
                            }
                            IPolyline line = new PolylineClass();
                            line.FromPoint = point;
                            line.ToPoint = p;
                            if (line.Length < 3)
                            {
                                return;
                            }
                        }
                        if (TempWidht == -1)
                        {
                            TempWidht = 10;
                        }
                        Drawing(point);
                        if (this.MiddleLine.Line.PointCount > 0)
                            this.IsDrawing = true;
                        else
                            return;
                        if (this.MiddleLine.Line.PointCount > 1)
                        {
                            IPoint p2 = MiddleLine.Line.get_Point(this.MiddleLine.Line.PointCount - 2);
                            IPoint p1 = MiddleLine.Line.get_Point(this.MiddleLine.Line.PointCount - 1);
                            double angle = GeometryOperations.getAngle(p2, p1);
                            //angle = 90 - angle;
                            IPolyline tempLine = new PolylineClass();
                            tempLine.FromPoint = p1;
                            tempLine.ToPoint = p2;
                            MoveMapExtent(X, Y, (int)Math.Floor(tempLine.Length));
                            if (this.drawParam.IsAutoTrack)
                            {
                                //this.OnMouseDown(2, Shift, MousePoint.X, MousePoint.Y);
                            }
                        }
                        else
                        {
                            MoveMapExtent(X, Y, 100);
                        }
                        #endregion
                    }
                }
                else if (Button == 2)
                {
                    this.OnKeyDown((int)ConsoleKey.F7, Shift);
                }
                else if (Button == 4)
                {
                    ////鼠标滚轮按下
                    //base.Deactivate();
                    //panTool.OnMouseDown(Button, Shift, X, Y);
                    //this.OnKeyDown((int)ConsoleKey.Enter, Shift);
                }
            }
            catch (Exception ex)
            {
                //LogAPI.Debug(ex);

                LogAPI.Debug("画双线时 鼠标点击后 异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("画双线时 鼠标点击后 异常信息结束");
            }
        }
        private bool isRunning = false;
        public override void OnMouseMove(int Button, int Shift, int X, int Y)
        {
            if (isRunning)
                return;
            isRunning = true;
            try
            {
                if (IsSpaceDown)
                {
                    panTool.OnMouseMove(1, Shift, X, Y);
                    MousePoint.X = X;
                    MousePoint.Y = Y;
                    return;
                }
                base.OnMouseMove(Button, Shift, X, Y);
                IPoint point = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
                if (snapEnv != null)
                {
                    this.SnapPoint(m_hookHelper.ActiveView, point, snapEnv);
                }
                if (this.MiddleLine.Line.PointCount > 0)
                {
                    if (this.IsDrawing)
                    {
                        Moveing(point);
                        if (MousePoint.X == X && MousePoint.Y == Y)
                        {
                            return;
                        }
                        else
                        {
                            MousePoint.X = X;
                            MousePoint.Y = Y;
                        }
                        autoDistinguishTimer.Stop();
                        autoDistinguishTimer.Dispose();
                        try
                        {
                            autoDistinguishTimer.Start();
                        }
                        catch (Exception ex)
                        {
                            LogAPI.Debug("画双线时 鼠标移动期间 正在绘制时异常，异常信息如下：");
                            LogAPI.Debug(ex);
                            LogAPI.Debug("画双线时 鼠标移动期间 正在绘制时异常信息结束");

                            //KGIS.Common.Utility.LogAPI.Debug(ex);
                            System.Windows.Forms.Application.DoEvents();
                            autoDistinguishTimer.Start();
                        }
                        System.Windows.Forms.Application.DoEvents();
                        #region 当鼠标移动到地图边界时，自动移动地图
                        if (AllowMoveMap)
                        {
                            IEnvelope extent = this.m_hookHelper.ActiveView.Extent;
                            int rX = 0;
                            int rY = 0;

                            (m_hookHelper.Hook as IMapControlDefault).FromMapPoint(new PointClass() { X = extent.XMax, Y = extent.YMin }, ref rX, ref rY);

                            bool NeedPan = false;
                            System.Windows.Forms.Application.DoEvents();
                            if (X < MapBorderDistance)
                            {
                                if (!NeedPan)
                                {
                                    timer.Start();
                                }
                                NeedPan = true;
                            }
                            if (Y < MapBorderDistance)
                            {
                                if (!NeedPan)
                                {
                                    timer.Start();
                                }
                                NeedPan = true;
                            }
                            if (Math.Abs(rX - X) < MapBorderDistance)
                            {
                                if (!NeedPan)
                                {
                                    timer.Start();
                                }
                                NeedPan = true;
                            }
                            if (Math.Abs(rY - Y) < MapBorderDistance)
                            {
                                if (!NeedPan)
                                {
                                    timer.Start();
                                }
                                NeedPan = true;
                            }
                            if (!NeedPan)
                            {
                                timer.Stop();
                                NeedPan = false;
                            }
                        }
                        #endregion
                    }
                    else
                    {
                        MousePoint.X = X;
                        MousePoint.Y = Y;
                        if (SnapElementPointIndex != -1)
                        {
                            if (SnapElementPointLine == 0)
                            {
                                this.MiddleLine.Line.UpdatePoint(SnapElementPointIndex, point);
                                double angle = 0;
                                if (SnapElementPointIndex == 0)
                                {
                                    angle = GeometryOperations.getAngle(point, this.MiddleLine.Line.get_Point(SnapElementPointIndex + 1));
                                }
                                else
                                {
                                    angle = GeometryOperations.getAngle(this.MiddleLine.Line.get_Point(SnapElementPointIndex - 1), point);
                                }
                                this.LeftLine.Line.UpdatePoint(SnapElementPointIndex, GeometryOperations.GetPoint(point, this.drawParam.Width * 0.5, -angle));
                                this.RightLine.Line.UpdatePoint(SnapElementPointIndex, GeometryOperations.GetPoint(point, this.drawParam.Width * -0.5, -angle));
                                this.MiddleLine.RefreshPoint(SnapElementPointIndex);
                                this.LeftLine.RefreshPoint(SnapElementPointIndex);
                                this.RightLine.RefreshPoint(SnapElementPointIndex);
                            }
                            else if (SnapElementPointLine == 1)
                            {
                                this.LeftLine.Line.UpdatePoint(SnapElementPointIndex, point);
                                this.LeftLine.RefreshPoint(SnapElementPointIndex);
                            }
                            else if (SnapElementPointLine == -1)
                            {
                                this.RightLine.Line.UpdatePoint(SnapElementPointIndex, point);
                                this.RightLine.RefreshPoint(SnapElementPointIndex);
                            }

                            autoDistinguishTimer.Stop();
                            autoDistinguishTimer.Dispose();
                            try
                            {
                                autoDistinguishTimer.Start();
                            }
                            catch (Exception ex)
                            {
                                LogAPI.Debug("画双线时 鼠标移动期间 未在绘制时异常，异常信息如下：");
                                LogAPI.Debug(ex);
                                LogAPI.Debug("画双线时 鼠标移动期间 未在绘制时异常信息结束");

                                //KGIS.Common.Utility.LogAPI.Debug(ex);
                                System.Windows.Forms.Application.DoEvents();
                                autoDistinguishTimer.Start();
                            }
                        }
                    }
                }
                else if (Button == 4)
                {
                    //鼠标滚轮按下
                    //panTool.OnMouseMove(Button, Shift, X, Y);
                    //MousePoint.X = X;
                    //MousePoint.Y = Y;
                }
            }
            catch (Exception ex)
            {
                //LogAPI.Debug(ex);

                LogAPI.Debug("画双线时 鼠标移动时异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("画双线时 鼠标移动时异常信息结束");
            }
            finally
            {
                isRunning = false;
            }
        }
        public override void OnMouseUp(int Button, int Shift, int X, int Y)
        {
            if (Button == 4)
            {
                //panTool.OnMouseUp(1, Shift, X, Y);
                //m_hookHelper.ActiveView.Refresh();
                //base.OnClick();
            }
            else
            {
                //base.OnMouseUp(button, shift, x, y);
                //点击右键时，弹出编辑菜单
                if (IsSpaceDown)
                {
                    panTool.OnMouseUp(Button, Shift, X, Y);
                }
                else
                {
                    base.OnMouseUp(Button, Shift, X, Y);//调用基类的OnMouseDown事件
                }
            }
        }
        IPolyline StartLine = null;
        IPolyline EndLine = null;
        public void DrawComplete()
        {
            m_editor.StartOperation();
            try
            {
                if (LeftLine.Line.PointCount < 2 || this.RightLine.Line.PointCount < 2)
                {
                    return;
                }
                IFeatureLayer layer = m_editor.TargetLayer as IFeatureLayer;
                if (layer == null)
                    return;
                IFeatureClass fc = layer.FeatureClass;
                if (fc == null)
                    return;

                int selectIdZYQ = 1;
                IUcZYQMagrHelper ucZYQMagrHelper = null;
                ProjectInfo ProInfo = MapsManager.Instance.MapService.GetProjectInfo() as ProjectInfo;
                if (ProInfo != null && ProInfo.ProjType == EnumProjType.BHTBTQ && Platform.Instance.SystemType == SystemTypeEnum.BGFWCG)
                {
                    ucZYQMagrHelper = BundleRuntime.Instance.GetFirstOrDefaultService<IUcZYQMagrHelper>();
                    if (ucZYQMagrHelper != null)
                    {
                        selectIdZYQ = ucZYQMagrHelper.GetCheckedID();
                    }
                }
                ////验证区域授权
                //if (!base.ValidateAuthorize(LeftLine.Line as IGeometry) || !base.ValidateAuthorize(RightLine.Line as IGeometry))
                //{
                //    MessageHelper.ShowError("绘制图形不在授权区域范围内！");
                //    DelElement(ref element);
                //    PointElement = new List<IElement>();
                //    this.LeftLine.Dissvoe();
                //    this.RightLine.Dissvoe();
                //    this.MiddleLine.Dissvoe();
                //    this.MiddleLine.Init();
                //    this.RightLine.Init();
                //    this.LeftLine.Init();
                //    this.m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewBackground, null, m_hookHelper.ActiveView.Extent);
                //    this.m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, m_hookHelper.ActiveView.Extent);
                //    this.TempWidht = -1;
                //    this.TempCenterPoint = null;
                //    this.IsChangedWidth = false;
                //    this.IsDrawing = false;
                //    base.OnDblClick();
                //    return;
                //}
                IFeatureSelection featureSelection = layer as IFeatureSelection;
                featureSelection.Clear();
                IFeature feature = fc.CreateFeature();
                feature.Shape = LeftLine.Line as IGeometry;
                feature.Store();
                //BUG12981
                //-------------
                //featureSelection.Add(feature);
                m_hookHelper.ActiveView.FocusMap.SelectFeature(layer, feature);
                //-------------
                feature = fc.CreateFeature();
                feature.Shape = RightLine.Line as IGeometry;
                feature.Store();
                //BUG12981
                //-------------
                //featureSelection.Add(feature);
                m_hookHelper.ActiveView.FocusMap.SelectFeature(layer, feature);
                //-------------
                if (drawParam.IsAutoClose)
                {
                    //自动封闭两端
                    IPointCollection line = new Polyline();
                    line.AddPoint((LeftLine.Line as IPolyline).FromPoint);
                    line.AddPoint((RightLine.Line as IPolyline).FromPoint);
                    feature = fc.CreateFeature();
                    feature.Shape = line as IGeometry;
                    feature.Store();
                    //BUG12981
                    //-------------
                    //featureSelection.Add(feature);
                    m_hookHelper.ActiveView.FocusMap.SelectFeature(layer, feature);
                    //-------------

                    line = new Polyline();
                    line.AddPoint((LeftLine.Line as IPolyline).ToPoint);
                    line.AddPoint((RightLine.Line as IPolyline).ToPoint);
                    feature = fc.CreateFeature();
                    feature.Shape = line as IGeometry;
                    feature.Store();
                    //BUG12981
                    //-------------
                    //featureSelection.Add(feature);
                    m_hookHelper.ActiveView.FocusMap.SelectFeature(layer, feature);
                    //-------------
                }
                m_editor.StopOperation("画线物边界线");
                DelElement(ref element);
                PointElement = new List<IElement>();
                this.LeftLine.Dissvoe();
                this.RightLine.Dissvoe();
                this.MiddleLine.Dissvoe();
                this.MiddleLine.Init();
                this.RightLine.Init();
                this.LeftLine.Init();
                this.m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewBackground, null, m_hookHelper.ActiveView.Extent);
                this.m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, m_hookHelper.ActiveView.Extent);
                this.TempWidht = -1;
                this.TempCenterPoint = null;
                this.IsChangedWidth = false;
                this.IsDrawing = false;
                base.OnDblClick();

                if (ucZYQMagrHelper != null)
                {
                    ucZYQMagrHelper.AddMask(selectIdZYQ);
                }
            }
            catch (Exception ex)
            {
                LogAPI.Debug("双线绘画完毕(执行函数DrawComplete)时 异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("双线绘画完毕(执行函数DrawComplete)时 异常信息结束");

                m_editor.AbortOperation();
                MessageHelper.ShowError(ex.Message);
                //LogAPI.Debug(ex);
            }
        }
        public override bool Deactivate()
        {
            if (paramFrm != null)
            {
                paramFrm.Close();
                paramFrm = null;
            }
            this.MiddleLine.Dissvoe();
            this.LeftLine.Dissvoe();
            this.RightLine.Dissvoe();
            this.MiddleLine = new LineModel(m_hookHelper.ActiveView, esriSimpleLineStyle.esriSLSDash, 0.5);
            this.LeftLine = new LineModel(m_hookHelper.ActiveView, esriSimpleLineStyle.esriSLSSolid);
            this.RightLine = new LineModel(m_hookHelper.ActiveView, esriSimpleLineStyle.esriSLSSolid);
            _MapService.MapContainerMouseWheel -= Platfrom_MapMouseWheel;
            timer.Tick -= timer_Tick;
            timer.Stop();
            autoDistinguishTimer.Tick -= autoDistinguishTimer_Tick;
            autoDistinguishTimer.Stop();
            PointElement = new List<IElement>();
            this.IsDrawing = false;
            IsDeactivate = true;
            return base.Deactivate();
        }

        private void LeftClick(int X, int Y)
        {
            //左键按下取点
            IPoint point = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
            if (this.MiddleLine.Line.PointCount > 0 && IsDrawing == false)
            {
                #region 调整单个点的位置
                if (SnapElementPointIndex == -1)
                {
                    SnapElementPointIndex = SnapElement(point, out SnapElementPointLine);
                    //IsDrawing = true;
                }
                else
                {
                    if (SnapElementPointLine == 0)
                    {
                        this.MiddleLine.Line.UpdatePoint(SnapElementPointIndex, point);
                        double angle = 0;
                        if (SnapElementPointIndex == 0)
                        {
                            angle = GeometryOperations.getAngle(point, this.MiddleLine.Line.get_Point(SnapElementPointIndex + 1));
                        }
                        else
                        {
                            angle = GeometryOperations.getAngle(this.MiddleLine.Line.get_Point(SnapElementPointIndex - 1), point);
                        }
                        this.LeftLine.Line.UpdatePoint(SnapElementPointIndex, GeometryOperations.GetPoint(point, this.drawParam.Width * 0.5, -angle));
                        this.RightLine.Line.UpdatePoint(SnapElementPointIndex, GeometryOperations.GetPoint(point, this.drawParam.Width * -0.5, -angle));
                        this.MiddleLine.RefreshPoint(SnapElementPointIndex);
                        this.LeftLine.RefreshPoint(SnapElementPointIndex);
                        this.RightLine.RefreshPoint(SnapElementPointIndex);
                    }
                    else if (SnapElementPointLine == 1)
                    {
                        this.LeftLine.Line.UpdatePoint(SnapElementPointIndex, point);
                        this.LeftLine.RefreshPoint(SnapElementPointIndex);
                    }
                    else if (SnapElementPointLine == -1)
                    {
                        this.RightLine.Line.UpdatePoint(SnapElementPointIndex, point);
                        this.RightLine.RefreshPoint(SnapElementPointIndex);
                    }
                    SnapElementPointIndex = -1;
                    IsDrawing = false;
                }
                #endregion
            }
            else
            {
                #region 绘制点
                #region 根据道路宽度调整相关参数
                if (TempWidht < 10)
                {
                    MinPointDistance = 15;
                    MaxPointDistance = 40;
                }
                else if (TempWidht > 15)
                {
                    MinPointDistance = 30;
                    MaxPointDistance = 80;
                }
                #endregion
                if (this.MiddleLine.Line.PointCount > 0)
                {
                    IPoint p = this.MiddleLine.Line.get_Point(this.MiddleLine.Line.PointCount - 1);
                    if (p.X == point.X && p.Y == point.Y)
                    {
                        return;
                    }
                    IPolyline line = new PolylineClass();
                    line.FromPoint = point;
                    line.ToPoint = p;
                    if (line.Length < 3)
                    {
                        return;
                    }
                }
                if (TempWidht == -1)
                {
                    TempWidht = 10;
                }
                Drawing(point);
                if (this.MiddleLine.Line.PointCount > 0)
                    this.IsDrawing = true;
                if (this.MiddleLine.Line.PointCount > 1)
                {
                    IPoint p2 = MiddleLine.Line.get_Point(this.MiddleLine.Line.PointCount - 2);
                    IPoint p1 = MiddleLine.Line.get_Point(this.MiddleLine.Line.PointCount - 1);
                    double angle = GeometryOperations.getAngle(p2, p1);
                    //angle = 90 - angle;
                    IPolyline tempLine = new PolylineClass();
                    tempLine.FromPoint = p1;
                    tempLine.ToPoint = p2;
                    MoveMapExtent(X, Y, (int)Math.Floor(tempLine.Length));
                    if (this.drawParam.IsAutoTrack)
                    {
                        //this.OnMouseDown(2, Shift, MousePoint.X, MousePoint.Y);
                    }
                }
                else
                {
                    MoveMapExtent(X, Y, 100);
                }
                #endregion
            }
        }
        #endregion

        /// <summary>
        /// 获取两条线段交点
        /// </summary>
        /// <param name="pointStart"></param>
        /// <param name="pointEnd"></param>
        /// <param name="targetGeo"></param>
        /// <returns></returns>

        private IPoint GetIntersectPoint(IPoint pointStart, IPoint pointEnd, IGeometry targetGeo)
        {
            IPolyline newLine = new PolylineClass();
            IPointCollection newLinepoint = newLine as IPointCollection;
            if (pointStart.X == pointEnd.X)
            {
                double minY = targetGeo.Envelope.YMin;
                newLinepoint.AddPoint(pointStart);
                newLinepoint.AddPoint(new PointClass() { X = pointEnd.X, Y = minY });
            }
            else
            {
                double pointX = pointEnd.X > pointStart.X ? targetGeo.Envelope.XMax : targetGeo.Envelope.XMin;
                double sourceLineK = (pointStart.Y - pointEnd.Y) / (pointStart.X - pointEnd.X);
                double longPointY = pointStart.Y - ((pointStart.X - pointX) * sourceLineK);
                newLinepoint.AddPoint(pointStart);
                newLinepoint.AddPoint(new PointClass() { X = pointX, Y = longPointY });
            }
            ITopologicalOperator topOper = targetGeo as ITopologicalOperator;
            IGeometry geometry = topOper.Intersect(newLine as IGeometry, esriGeometryDimension.esriGeometry0Dimension);
            return GetMinDisPoint(geometry, pointEnd);
        }


        private IPoint GetMinDisPoint(IGeometry geometry, IPoint pointEnd)
        {
            if (!geometry.IsEmpty)
            {
                IProximityOperator operatorPr = geometry as IProximityOperator;
                return operatorPr.ReturnNearestPoint(pointEnd, esriSegmentExtension.esriExtendTangents);
            }

            return null;
        }

        /// <summary>
        /// 滚动滚轮调整宽度
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void Platfrom_MapMouseWheel(object sender, System.Windows.Forms.MouseEventArgs e)
        {
            if (IsDeactivate)
                return;
            if (drawParam != null)
            {
                if (Platform.Instance.GetCurrentKeyDown() == 17)
                {
                    IPoint point = this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(MousePoint.X, MousePoint.Y);
                    if (e.Delta > 0)
                    {
                        drawParam.Width = drawParam.Width + 0.5;
                    }
                    else if (e.Delta < 0 && drawParam.Width > 0)
                    {
                        drawParam.Width = drawParam.Width - 0.5;
                    }
                    int d = (int)Math.Abs(drawParam.Width);
                    if (d == 0)
                        return;
                    if (d < 10)
                    {
                        drawParam.ToloranceScale = 0.1;
                    }
                    if (d == 10)
                    {
                        drawParam.ToloranceScale = 0.15;
                    }
                    if (d > 10 && d < 20)
                    {
                        drawParam.ToloranceScale = 0.2;
                    }
                    if (d == 20)
                    {
                        drawParam.ToloranceScale = 0.25;
                    }
                    if (d > 20)
                    {
                        drawParam.ToloranceScale = 0.3;
                    }
                    if (d > 30)
                    {
                        drawParam.ToloranceScale = 0.4;
                    }
                    if (d > 40)
                    {
                        drawParam.ToloranceScale = 0.5;
                    }
                    this.IsChangedWidth = true;
                    DrawTextElement(point, ref TextElement);
                    //this.OnMouseMove(1, 0, MousePoint.X, MousePoint.Y);
                    //宽度调整标识设置为true并传入Moveing()方法
                    Moveing(point, IsChangedWidth);
                }
                else
                {
                    //shift+滚轮调节识别度
                    //if (IsDrawing)
                    if (IsShiftDown)
                    {
                        if (e.Delta > 0)
                        {
                            //drawParam.ToloranceScale += 0.05;
                            this.OnKeyDown((int)ConsoleKey.D0, 0);
                        }
                        if (e.Delta < 0)
                        {
                            //drawParam.ToloranceScale -= 0.05;
                            this.OnKeyDown((int)ConsoleKey.D9, 0);
                        }
                        this.OnKeyDown((int)ConsoleKey.P, 0);
                    }
                    else
                    {
                        //添加滚轮放大缩小地图
                        (m_hookHelper.Hook as IMapControlDefault).AutoMouseWheel = true;
                        (m_hookHelper.Hook as IMapControlDefault).AutoKeyboardScrolling = true;
                        //----------------
                    }
                }
            }
        }
        /// <summary>
        /// 移动地图范围
        /// </summary>
        /// <param name="X">鼠标位置的X坐标</param>
        /// <param name="Y">鼠标位置的Y坐标</param>
        /// <param name="pWidth">鼠标位置距离地图边界的宽度</param>
        private void MoveMapExtent(int X, int Y, int pWidth)
        {
            //鼠标点击的点
            IPoint point = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
            #region 当鼠标点击屏幕边界时移动地图范围
            //当前屏幕中心点坐标
            IPoint centerPoint = new PointClass() { X = (this.m_hookHelper.ActiveView.Extent.XMax - this.m_hookHelper.ActiveView.Extent.Width / 2), Y = (this.m_hookHelper.ActiveView.Extent.YMax - this.m_hookHelper.ActiveView.Extent.Height / 2) };
            //地图窗口右下角坐标
            IPoint p = new PointClass() { X = this.m_hookHelper.ActiveView.Extent.XMax, Y = this.m_hookHelper.ActiveView.Extent.YMin };
            //鼠标点击到边界时移动地图
            int x2 = 0;
            int y2 = 0;
            //获取地图工作区右下角的坐标x2,y2，用于判断当前鼠标点是否在右边/下边边界处
            this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(p, out x2, out y2);
            //获取工作区右下角的坐标对应的屏幕坐标//m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint;
            System.Drawing.Point rightBottomPoint = _MapService.PointToScreen(new System.Drawing.Point(x2, y2));
            //获取工作区左上角的坐标对应的屏幕坐标
            System.Drawing.Point leftTopPoint = _MapService.PointToScreen(new System.Drawing.Point(0, 0));
            IPoint CPoint = point;
            double angle = 0;
            if (MiddleLine.Line.PointCount > 1)
            {
                //计算当前道路线的方向
                angle = GeometryOperations.getAngle(MiddleLine.Line.get_Point(MiddleLine.Line.PointCount - 2), MiddleLine.Line.get_Point(MiddleLine.Line.PointCount - 1));
            }
            //计算屏幕每像素代表实际横向距离
            double d1 = this.m_hookHelper.ActiveView.Extent.Width / x2;
            //计算屏幕每像素代表实际纵向距离
            double d2 = this.m_hookHelper.ActiveView.Extent.Height / y2;
            IPoint p1 = MiddleLine.Line.get_Point(this.MiddleLine.Line.PointCount - 1);

            //自动识别的下一个点的位置
            IPoint n_p = GeometryOperations.GetPoint(p1, pWidth, 90 - angle);
            //第一次识别的点
            IPoint n_p2 = null;
            //第二次识别的点
            IPoint n_p3 = null;
            //记录自动识别下一点的宽度
            IPolyline line = null;
            //第一次识别的宽度
            IPolyline line2 = null;
            //第二次识别的宽度
            IPolyline line3 = null;
            IPolyline tempLine = new PolylineClass();
            if (this.MiddleLine.Line.PointCount > 1)
            {
                double d = 0;
                if (this.MiddleLine.Line.PointCount > 0)
                {
                    tempLine.FromPoint = this.LeftLine.Line.get_Point(this.LeftLine.Line.PointCount - 1);
                    tempLine.ToPoint = this.RightLine.Line.get_Point(this.RightLine.Line.PointCount - 1);
                    d = tempLine.Length;
                }
                n_p2 = GeometryOperations.GetPoint(p1, pWidth, 90 - angle);
                line2 = (IPolyline)AutoDistinguish3(0, n_p2);
                if (Math.Abs(line2.Length - d) > 4)
                {
                    n_p3 = GeometryOperations.GetPoint(p1, pWidth + pWidth * 0.1, 90 - angle);
                    line3 = (IPolyline)AutoDistinguish3(0, n_p3);
                    if (Math.Abs(line2.Length - d) < Math.Abs(line3.Length - d))
                    {
                        n_p = n_p2;
                        line = line2;
                    }
                    else
                    {
                        n_p = n_p3;
                        line = line3;
                    }
                }
                else
                {
                    n_p = n_p2;
                    line = line2;
                }
                #region 将自动识别的点显示在地图上
                if (this.drawParam.IsAutoStep)
                {
                    TempCenterPoint = new PointClass();
                    TempCenterPoint.X = line.FromPoint.X - (line.FromPoint.X - line.ToPoint.X) / 2;
                    TempCenterPoint.Y = line.FromPoint.Y - (line.FromPoint.Y - line.ToPoint.Y) / 2;
                    TempCenterPoint.SpatialReference = (line as IPolyline).SpatialReference;
                    IPointCollection newPoints = new Polyline();
                    newPoints.AddPoint(line.FromPoint);
                    newPoints.AddPoint(TempCenterPoint);
                    newPoints.AddPoint(line.ToPoint);
                    DrawPoint(newPoints);
                }
                #endregion
            }

            //计算下一个点的坐标对应的地图工作区坐标位置
            int nextX = 0;
            int nextY = 0;
            this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(n_p, out nextX, out nextY);
            if (nextX - 50 < 0 || nextX + 50 > x2)
            {
                #region 横向移动
                double moveWidth = 0;
                if (nextX - 50 < 0)
                {
                    moveWidth = Math.Abs(nextX - 50) * d1;
                }
                else if (nextX + 50 > x2)
                {
                    moveWidth = (nextX + 50 - x2) * d1;
                }
                if (moveWidth < this.m_hookHelper.ActiveView.Extent.Width / 2)
                {
                    moveWidth = this.m_hookHelper.ActiveView.Extent.Width * 0.5;
                }
                if (angle != 0)
                {
                    CPoint = GeometryOperations.GetPoint(centerPoint, moveWidth, 90 - angle);
                    (this.m_hookHelper.Hook as IMapControl2).CenterAt(CPoint);
                }
                else
                {
                    (this.m_hookHelper.Hook as IMapControl2).CenterAt(CPoint);
                    this.OnMouseMove(1, 0, MousePoint.X + 1, MousePoint.Y + 1);
                }
                #endregion
            }
            if (nextY < 50 || nextY + 50 > y2)
            {
                #region 纵向移动
                double moveWidth = 0;
                if (nextY + 50 < 0)
                {
                    moveWidth = Math.Abs(nextY - 50) * d2;
                    if (moveWidth < this.m_hookHelper.ActiveView.Extent.Height / 2)
                    {
                        moveWidth = this.m_hookHelper.ActiveView.Extent.Height * 0.5;
                    }
                }
                else if (nextY + 50 > y2)
                {
                    moveWidth = (nextY + 50 - y2) * d2;
                    if (moveWidth < this.m_hookHelper.ActiveView.Extent.Height / 2)
                    {
                        moveWidth = this.m_hookHelper.ActiveView.Extent.Height * 0.5;
                    }
                }
                if (angle != 0)
                {
                    CPoint = GeometryOperations.GetPoint(centerPoint, moveWidth, 90 - angle);
                    (this.m_hookHelper.Hook as IMapControl2).CenterAt(CPoint);
                }
                else
                {
                    (this.m_hookHelper.Hook as IMapControl2).CenterAt(CPoint);
                    this.OnMouseMove(1, 0, MousePoint.X + 1, MousePoint.Y + 1);
                }
                #endregion
            }
            if (n_p != null)
            {
                int m_x = 0;
                int m_y = 0;
                this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(n_p, out m_x, out m_y);
                System.Drawing.Point screenPoint = _MapService.PointToScreen(new System.Drawing.Point(m_x, m_y));
                this.MousePoint.X = m_x;
                this.MousePoint.Y = m_y;

                //this.m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography,null,
                if (this.drawParam.IsAutoStep)
                {
                    SetCursorPos(screenPoint.X, screenPoint.Y);
                }
                if (this.drawParam.IsAutoTrack && IsAuto && this.drawParam.IsAutoStep)
                {
                    this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(TempCenterPoint, out nextX, out nextY);
                    this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(p1, out nextX, out nextY);
                    double angle2 = GeometryOperations.getAngle(MiddleLine.Line.get_Point(MiddleLine.Line.PointCount - 1), TempCenterPoint);
                    ITopologicalOperator topo = TempCenterPoint as ITopologicalOperator;
                    IGeometry geo = topo.Buffer(line.Length / 2);
                    ImgDistinguish imgDis = new ImgDistinguish();
                    TilesImage img = imgDis.GetImg(geo.Envelope);
                    img.PixelCount = 9;
                    int gray1 = img.GetGrayValue(TempCenterPoint);
                    topo = MiddleLine.Line.get_Point(MiddleLine.Line.PointCount - 1) as ITopologicalOperator;
                    geo = topo.Buffer(line.Length / 2);
                    img = imgDis.GetImg(geo.Envelope);
                    img.PixelCount = 9;
                    int gray2 = img.GetGrayValue(MiddleLine.Line.get_Point(MiddleLine.Line.PointCount - 1));
                    int w = pWidth / 3;
                    if (Math.Abs(Math.Abs(angle) - Math.Abs(angle2)) < 10)
                    {
                        if (Math.Abs(gray1 - gray2) < 25 && Math.Abs(line.Length - tempLine.Length) < tempLine.Length * 0.3)
                        {
                            IsAutoTrackPoint = true;
                            this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(TempCenterPoint, out nextX, out nextY);
                            this.OnMouseDown(2, 0, nextX, nextY);
                        }
                        else
                        {
                            int i = 0;
                            while (pWidth - w >= 3)
                            {
                                i++;
                                w = w + pWidth / 3;
                                if (i > 3)
                                {
                                    IsAutoTrackPoint = false;
                                    break;
                                }
                                IPoint c_P = AutoTrack(X, Y, pWidth - w);
                                if (c_P != null)
                                {
                                    TempCenterPoint = c_P;
                                    IsAutoTrackPoint = true;
                                    this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(TempCenterPoint, out nextX, out nextY);
                                    this.OnMouseDown(2, 0, nextX, nextY);
                                    break;
                                }
                                else
                                {
                                    IsAutoTrackPoint = false;
                                }
                            }
                        }
                    }
                    else
                    {
                        if (Math.Abs(gray1 - gray2) < 30 && Math.Abs(line.Length - tempLine.Length) < tempLine.Length * 0.3)
                        {
                            IsAutoTrackPoint = true;
                            this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(TempCenterPoint, out nextX, out nextY);
                            this.OnMouseDown(2, 0, nextX, nextY);
                        }
                        else
                        {
                            int i = 0;
                            while (pWidth - w >= 3)
                            {
                                i++;
                                w = w + pWidth / 3;
                                if (i > 3)
                                {
                                    IsAutoTrackPoint = false;
                                    break;
                                }
                                IPoint c_P = AutoTrack(X, Y, pWidth - w);
                                if (c_P != null)
                                {
                                    TempCenterPoint = c_P;
                                    IsAutoTrackPoint = true;
                                    this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(TempCenterPoint, out nextX, out nextY);
                                    this.OnMouseDown(2, 0, nextX, nextY);
                                    break;
                                }
                                else
                                {
                                    IsAutoTrackPoint = false;
                                }
                            }
                            //if (pWidth / 3 >= 3)
                            //{
                            //    MoveMapExtent(X, Y, pWidth / 3);
                            //}
                            //else
                            //{
                            //    IsAutoTrackPoint = false;
                            //}
                        }
                    }
                }
            }
            #endregion
        }
        private IPoint AutoTrack(int X, int Y, int pWidth)
        {
            IPoint result = null;
            try
            {
                //鼠标点击的点
                IPoint point = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
                #region 当鼠标点击屏幕边界时移动地图范围
                //当前屏幕中心点坐标
                IPoint centerPoint = new PointClass() { X = (this.m_hookHelper.ActiveView.Extent.XMax - this.m_hookHelper.ActiveView.Extent.Width / 2), Y = (this.m_hookHelper.ActiveView.Extent.YMax - this.m_hookHelper.ActiveView.Extent.Height / 2) };
                //地图窗口右下角坐标
                IPoint p = new PointClass() { X = this.m_hookHelper.ActiveView.Extent.XMax, Y = this.m_hookHelper.ActiveView.Extent.YMin };
                //鼠标点击到边界时移动地图
                int x2 = 0;
                int y2 = 0;
                //获取地图工作区右下角的坐标x2,y2，用于判断当前鼠标点是否在右边/下边边界处
                this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(p, out x2, out y2);
                //获取工作区右下角的坐标对应的屏幕坐标
                System.Drawing.Point rightBottomPoint = _MapService.PointToScreen(new System.Drawing.Point(x2, y2));
                //获取工作区左上角的坐标对应的屏幕坐标
                System.Drawing.Point leftTopPoint = _MapService.PointToScreen(new System.Drawing.Point(0, 0));
                IPoint CPoint = point;
                double angle = 0;
                if (MiddleLine.Line.PointCount > 1)
                {
                    //计算当前道路线的方向
                    angle = GeometryOperations.getAngle(MiddleLine.Line.get_Point(MiddleLine.Line.PointCount - 2), MiddleLine.Line.get_Point(MiddleLine.Line.PointCount - 1));
                }
                //计算屏幕每像素代表实际横向距离
                double d1 = this.m_hookHelper.ActiveView.Extent.Width / x2;
                //计算屏幕每像素代表实际纵向距离
                double d2 = this.m_hookHelper.ActiveView.Extent.Height / y2;
                IPoint p1 = MiddleLine.Line.get_Point(this.MiddleLine.Line.PointCount - 1);

                //自动识别的下一个点的位置
                IPoint n_p = null;
                //第一次识别的点
                IPoint n_p2 = null;
                //第二次识别的点
                IPoint n_p3 = null;
                //记录自动识别下一点的宽度
                IPolyline line = null;
                //第一次识别的宽度
                IPolyline line2 = null;
                //第二次识别的宽度
                IPolyline line3 = null;
                IPolyline tempLine = new PolylineClass();
                if (this.MiddleLine.Line.PointCount > 1)
                {
                    double d = 0;
                    if (this.MiddleLine.Line.PointCount > 0)
                    {
                        tempLine.FromPoint = this.LeftLine.Line.get_Point(this.LeftLine.Line.PointCount - 1);
                        tempLine.ToPoint = this.RightLine.Line.get_Point(this.RightLine.Line.PointCount - 1);
                        d = tempLine.Length;
                    }
                    n_p2 = GeometryOperations.GetPoint(p1, pWidth, 90 - angle);
                    line2 = (IPolyline)AutoDistinguish3(0, n_p2);
                    if (Math.Abs(line2.Length - d) > 4)
                    {
                        n_p3 = GeometryOperations.GetPoint(p1, pWidth + pWidth * 0.1, 90 - angle);
                        line3 = (IPolyline)AutoDistinguish3(0, n_p3);
                        if (Math.Abs(line2.Length - d) < Math.Abs(line3.Length - d))
                        {
                            n_p = n_p2;
                            line = line2;
                        }
                        else
                        {
                            n_p = n_p3;
                            line = line3;
                        }
                    }
                    else
                    {
                        n_p = n_p2;
                        line = line2;
                    }
                    #region 将自动识别的点显示在地图上
                    TempCenterPoint = new PointClass();
                    TempCenterPoint.X = line.FromPoint.X - (line.FromPoint.X - line.ToPoint.X) / 2;
                    TempCenterPoint.Y = line.FromPoint.Y - (line.FromPoint.Y - line.ToPoint.Y) / 2;
                    TempCenterPoint.SpatialReference = (line as IPolyline).SpatialReference;
                    IPointCollection newPoints = new Polyline();
                    newPoints.AddPoint(line.FromPoint);
                    newPoints.AddPoint(TempCenterPoint);
                    newPoints.AddPoint(line.ToPoint);
                    DrawPoint(newPoints);
                    #endregion
                }

                //计算下一个点的坐标对应的地图工作区坐标位置
                int nextX = 0;
                int nextY = 0;
                #region
                //this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(n_p, out nextX, out nextY);
                //if (nextX - 50 < 0 || nextX + 50 > x2)
                //{
                //    #region 横向移动
                //    double moveWidth = 0;
                //    if (nextX - 50 < 0)
                //    {
                //        moveWidth = Math.Abs(nextX - 50) * d1;
                //    }
                //    else if (nextX + 50 > x2)
                //    {
                //        moveWidth = (nextX + 50 - x2) * d1;
                //    }
                //    if (angle != 0)
                //    {
                //        CPoint = GeometryOperations.GetPoint(centerPoint, moveWidth, 90 - angle);
                //        (this.m_hookHelper.Hook as IMapControl2).CenterAt(CPoint);
                //    }
                //    else
                //    {
                //        (this.m_hookHelper.Hook as IMapControl2).CenterAt(CPoint);
                //        this.OnMouseMove(1, 0, MousePoint.X + 1, MousePoint.Y + 1);
                //    }
                //    #endregion
                //}
                //if (nextY + 50 < 0 || nextY + 50 > y2)
                //{
                //    #region 纵向移动
                //    double moveWidth = 0;
                //    if (nextY + 50 < 0)
                //    {
                //        moveWidth = Math.Abs(nextY - 50) * d2;
                //    }
                //    else if (nextY + 50 > y2)
                //    {
                //        moveWidth = -(nextY + 50 - x2) * d2;
                //    }
                //    if (angle != 0)
                //    {
                //        CPoint = GeometryOperations.GetPoint(centerPoint, moveWidth, 90 - angle);
                //        (this.m_hookHelper.Hook as IMapControl2).CenterAt(CPoint);
                //    }
                //    else
                //    {
                //        (this.m_hookHelper.Hook as IMapControl2).CenterAt(CPoint);
                //        this.OnMouseMove(1, 0, MousePoint.X + 1, MousePoint.Y + 1);
                //    }
                //    #endregion
                //}
                #endregion
                if (n_p != null)
                {
                    this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(TempCenterPoint, out nextX, out nextY);
                    int m_x = 0;
                    int m_y = 0;
                    this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(n_p, out m_x, out m_y);
                    System.Drawing.Point screenPoint = _MapService.PointToScreen(new System.Drawing.Point(m_x, m_y));
                    this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(p1, out nextX, out nextY);
                    this.MousePoint.X = m_x;
                    this.MousePoint.Y = m_y;
                    SetCursorPos(screenPoint.X, screenPoint.Y);
                    if (this.drawParam.IsAutoTrack)
                    {
                        double angle2 = GeometryOperations.getAngle(MiddleLine.Line.get_Point(MiddleLine.Line.PointCount - 1), TempCenterPoint);
                        ITopologicalOperator topo = TempCenterPoint as ITopologicalOperator;
                        IGeometry geo = topo.Buffer(line.Length / 2);
                        ImgDistinguish imgDis = new ImgDistinguish();
                        TilesImage img = imgDis.GetImg(geo.Envelope);
                        img.PixelCount = 9;
                        int gray1 = img.GetGrayValue(TempCenterPoint);
                        topo = MiddleLine.Line.get_Point(MiddleLine.Line.PointCount - 1) as ITopologicalOperator;
                        geo = topo.Buffer(line.Length / 2);
                        img = imgDis.GetImg(geo.Envelope);
                        img.PixelCount = 9;
                        int gray2 = img.GetGrayValue(MiddleLine.Line.get_Point(MiddleLine.Line.PointCount - 1));

                        if (Math.Abs(Math.Abs(angle) - Math.Abs(angle2)) < 5 && Math.Abs(gray1 - gray2) < 25 && Math.Abs(line.Length - tempLine.Length) < tempLine.Length * 0.3)
                        {
                            //IsAutoTrackPoint = true;
                            //this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(TempCenterPoint, out nextX, out nextY);
                            //this.OnMouseDown(2, 0, nextX, nextY);
                            result = TempCenterPoint;
                        }
                        else
                        {
                            //IsAutoTrackPoint = false;
                        }
                    }
                }
                return result;
                #endregion
            }
            catch (Exception ex)
            {
                LogAPI.Debug("画双线 自动追踪轨迹 时异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("画双线 自动追踪轨迹 时异常信息结束");

                throw ex;
            }
        }
        /// <summary>
        /// 定时进行自动识别影像
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void autoDistinguishTimer_Tick(object sender, EventArgs e)
        {
            try
            {
                IPoint point = this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(MousePoint.X, MousePoint.Y);
                double angle = 0;
                if (MiddleLine.Line.PointCount <= 0)
                {
                    return;
                    #region
                    //IPolyline p1 = (IPolyline)AutoDistinguish(0);
                    //IPolyline p2 = (IPolyline)AutoDistinguish(90);
                    //if (p1.Length > p2.Length)
                    //{
                    //    TempWidht = p2.Length;
                    //    #region 将自动识别记过显示在地图上
                    //    TempCenterPoint = new PointClass();
                    //    TempCenterPoint.X = p2.FromPoint.X - (p2.FromPoint.X - p2.ToPoint.X) / 2;
                    //    TempCenterPoint.Y = p2.FromPoint.Y - (p2.FromPoint.Y - p2.ToPoint.Y) / 2;
                    //    TempCenterPoint.SpatialReference = (p2 as IPolyline).SpatialReference;
                    //    IPointCollection newPoints = new Polyline();
                    //    newPoints.AddPoint(p2.FromPoint);
                    //    newPoints.AddPoint(TempCenterPoint);
                    //    newPoints.AddPoint(p2.ToPoint);
                    //    DrawPoint(newPoints);
                    //    #endregion
                    //}
                    //else
                    //{
                    //    TempWidht = p1.Length;
                    //    #region 将自动识别记过显示在地图上
                    //    TempCenterPoint = new PointClass();
                    //    TempCenterPoint.X = p1.FromPoint.X - (p1.FromPoint.X - p1.ToPoint.X) / 2;
                    //    TempCenterPoint.Y = p1.FromPoint.Y - (p1.FromPoint.Y - p1.ToPoint.Y) / 2;
                    //    TempCenterPoint.SpatialReference = (p1 as IPolyline).SpatialReference;
                    //    IPointCollection newPoints = new Polyline();
                    //    newPoints.AddPoint(p1.FromPoint);
                    //    newPoints.AddPoint(TempCenterPoint);
                    //    newPoints.AddPoint(p1.ToPoint);
                    //    DrawPoint(newPoints);
                    //    #endregion
                    //}
                    #endregion
                }
                else
                {
                    //LogAPI.Debug("开始时间：" + DateTime.Now.Subtract();
                    angle = GeometryOperations.getAngle(MiddleLine.Line.Point[MiddleLine.Line.PointCount - 1], point);
                    if (double.IsNaN(angle) && (MiddleLine.Line.PointCount - 2) > -1)
                    {
                        angle = GeometryOperations.getAngle(MiddleLine.Line.Point[MiddleLine.Line.PointCount - 2], point);
                    }
                    if (!Double.IsNaN(angle))
                    {
                        //DateTime t1 = DateTime.Now;
                        //Int32 d = t1.Minute * 60 * 1000 + t1.Second * 1000 + t1.Millisecond;
                        //LogAPI.Debug("开始时间：" + (t1.Minute * 60 * 1000 + t1.Second * 1000 + t1.Millisecond));
                        IPolyline polyline = (IPolyline)AutoDistinguish(angle);
                        this.drawParam.ToloranceScale += 0.05;
                        IPolyline polyline1 = (IPolyline)AutoDistinguish(angle);
                        this.drawParam.ToloranceScale -= 0.1;
                        IPolyline polyline2 = (IPolyline)AutoDistinguish(angle);
                        this.drawParam.ToloranceScale += 0.05;
                        double d = this.drawParam.Width;
                        //if (this.MiddleLine.Line.PointCount > 0)
                        if (this.LeftLine.Line.PointCount > 0 && this.RightLine.Line.PointCount > 0)
                        {
                            IPolyline tempLine = new PolylineClass();
                            tempLine.FromPoint = this.LeftLine.Line.get_Point(this.LeftLine.Line.PointCount - 1);
                            tempLine.ToPoint = this.RightLine.Line.get_Point(this.RightLine.Line.PointCount - 1);
                            d = tempLine.Length;
                        }
                        if (Math.Abs(polyline.Length - d) < Math.Abs(polyline1.Length - d))
                        {
                            if (Math.Abs(polyline.Length - d) > Math.Abs(polyline2.Length - d))
                            {
                                polyline = polyline2;
                            }
                        }
                        else
                        {
                            if (Math.Abs(polyline1.Length - d) > Math.Abs(polyline2.Length - d))
                            {
                                polyline = polyline2;
                            }
                            else
                            {
                                polyline = polyline1;
                            }
                        }
                        TempWidht = polyline.Length;
                        if ((TempWidht > this.drawParam.Width + this.drawParam.Width * 0.5 || TempWidht < this.drawParam.Width - this.drawParam.Width * 0.5) && this.MiddleLine.Line.PointCount > 1)
                        {
                            TempWidht = -1;
                            TempCenterPoint = null;
                            try
                            {
                                if (PointElement.Count > 0)
                                {
                                    foreach (IElement item in PointElement)
                                    {
                                        m_hookHelper.ActiveView.GraphicsContainer.DeleteElement(item);
                                    }
                                    PointElement = new List<IElement>();
                                    m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, m_hookHelper.ActiveView.Extent);
                                }
                            }
                            catch (Exception ex)
                            {
                                //KGIS.Common.Utility.LogAPI.Debug(ex);

                                LogAPI.Debug("画双线期间 定时进行自动识别影像 过程中 图形容器中删除属性后刷新点属性时异常，异常信息如下：");
                                LogAPI.Debug(ex);
                                LogAPI.Debug("画双线期间 定时进行自动识别影像 过程中 图形容器中删除属性后刷新点属性时异常信息结束");
                            }
                        }
                        else
                        {
                            #region 将自动识别的点显示在地图上
                            TempCenterPoint = new PointClass();
                            TempCenterPoint.X = polyline.FromPoint.X - (polyline.FromPoint.X - polyline.ToPoint.X) / 2;
                            TempCenterPoint.Y = polyline.FromPoint.Y - (polyline.FromPoint.Y - polyline.ToPoint.Y) / 2;
                            TempCenterPoint.SpatialReference = (polyline as IPolyline).SpatialReference;
                            IPointCollection newPoints = new Polyline();
                            newPoints.AddPoint(polyline.FromPoint);
                            newPoints.AddPoint(TempCenterPoint);
                            newPoints.AddPoint(polyline.ToPoint);
                            DrawPoint(newPoints);
                            #endregion
                        }
                        //DateTime t2 = DateTime.Now;
                        //Int32 d2 = t2.Minute * 60 * 1000 + t2.Second * 1000 + t2.Millisecond;
                        //LogAPI.Debug("识别结束:" + (t2.Minute * 60 * 1000 + t2.Second * 1000 + t2.Millisecond));

                        //LogAPI.Debug("识别结束:" + (d2 - d) + "毫秒");
                    }
                }
                autoDistinguishTimer.Stop();
            }
            catch (Exception ex)
            {
                //LogAPI.Debug(ex);

                LogAPI.Debug("画双线期间 定时进行自动识别影像 时异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("画双线期间 定时进行自动识别影像 时异常信息结束");
            }
        }

        #region 捕捉
        private List<IFeature> Snapping(IPoint pPoint, List<IFeatureLayer> pLayers)
        {
            List<IFeature> result = new List<IFeature>();
            try
            {
                if (pPoint != null && pLayers != null)
                {
                    foreach (IFeatureLayer item in pLayers)
                    {
                        IIdentify identify = item as IIdentify;
                        if (identify == null)
                            continue;
                        ESRI.ArcGIS.esriSystem.IArray array = identify.Identify(pPoint);
                        if (array == null)
                            continue;
                        for (int i = 0; i < array.Count; i++)
                        {
                            IRowIdentifyObject row = (IRowIdentifyObject)array.get_Element(i);
                            if (row == null)
                                continue;
                            IFeature f = row.Row as IFeature;
                            result.Add(f);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                //LogAPI.Debug(ex);

                LogAPI.Debug("画双线期间 图层中捕捉点 时异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("画双线期间 图层中捕捉点 时异常信息结束");
            }
            return result;
        }
        #endregion
        #region 获取所有可见图层
        /// <summary>
        /// 获取当前地图中可见的矢量图层
        /// </summary>
        /// <param name="pMap"></param>
        /// <returns></returns>
        private List<IFeatureLayer> GetVisibleLayer(IMap pMap, esriGeometryType geoType = esriGeometryType.esriGeometryAny)
        {
            List<IFeatureLayer> result = new List<IFeatureLayer>();
            if (pMap == null)
                return result;
            try
            {
                for (int i = 0; i < pMap.LayerCount; i++)
                {
                    ILayer layer = pMap.get_Layer(i);
                    if (layer is IFeatureLayer)
                    {
                        if ((layer as IFeatureLayer).Visible && (layer as IFeatureLayer).FeatureClass.ShapeType == geoType)
                        {
                            result.Add(layer as IFeatureLayer);
                        }
                    }
                    else if (layer is ICompositeLayer)
                    {
                        if ((layer as IGroupLayer).Visible)
                        {
                            result.AddRange(GetVisibleLayerByGroupLayer(layer as ICompositeLayer, geoType));
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                //Common.Utility.LogAPI.Debug(ex);

                LogAPI.Debug("画双线期间 获取当前地图中可见的矢量图层 时异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("画双线期间 获取当前地图中可见的矢量图层 时异常信息结束");
            }
            return result;
        }
        private List<IFeatureLayer> GetVisibleLayerByGroupLayer(ICompositeLayer pGroupLayer, esriGeometryType geoType = esriGeometryType.esriGeometryAny)
        {
            List<IFeatureLayer> result = new List<IFeatureLayer>();
            if (pGroupLayer != null && pGroupLayer.Count > 0)
            {
                for (int i = 0; i < pGroupLayer.Count; i++)
                {
                    ILayer layer = pGroupLayer.get_Layer(i);
                    if (layer is IAnnotationLayer)
                    {

                    }
                    else if (layer is IGroupLayer)
                    {
                        if ((layer as IGroupLayer).Visible)
                        {
                            result.AddRange(GetVisibleLayerByGroupLayer(layer as ICompositeLayer, geoType));
                        }
                    }
                    else
                    {
                        if (layer is IFeatureLayer)
                        {
                            if ((layer as IFeatureLayer).Visible && (layer as IFeatureLayer).FeatureClass.ShapeType == geoType)
                            {
                                result.Add((IFeatureLayer)layer);
                            }
                        }
                    }
                }
            }
            return result;
        }
        #endregion
        #region 绘制相关私有函数

        private IPointCollection AutoDistinguish3(double angle = 0, IPoint pPoint = null)
        {
            IPolyline polyline = (IPolyline)AutoDistinguish(angle, pPoint);
            this.drawParam.ToloranceScale += 0.05;
            IPolyline polyline1 = (IPolyline)AutoDistinguish(angle, pPoint);
            this.drawParam.ToloranceScale -= 0.1;
            IPolyline polyline2 = (IPolyline)AutoDistinguish(angle, pPoint);
            this.drawParam.ToloranceScale += 0.05;
            double d = this.drawParam.Width;
            if (this.MiddleLine.Line.PointCount > 0)
            {
                IPolyline tempLine = new PolylineClass();
                tempLine.FromPoint = this.LeftLine.Line.get_Point(this.LeftLine.Line.PointCount - 1);
                tempLine.ToPoint = this.RightLine.Line.get_Point(this.RightLine.Line.PointCount - 1);
                d = tempLine.Length;
            }
            if (Math.Abs(polyline.Length - d) < Math.Abs(polyline1.Length - d))
            {
                if (Math.Abs(polyline.Length - d) > Math.Abs(polyline2.Length - d))
                {
                    polyline = polyline2;
                }
            }
            else
            {
                if (Math.Abs(polyline1.Length - d) > Math.Abs(polyline2.Length - d))
                {
                    polyline = polyline2;
                }
                else
                {
                    polyline = polyline1;
                }
            }
            return polyline as IPointCollection;
        }
        /// <summary>
        /// 自动识别中心点
        /// </summary>
        private IPointCollection AutoDistinguish(double angle = 0, IPoint pPoint = null)
        {
            #region 自动识别道路中心线
            IPoint point = pPoint;
            if (point == null)
            {
                point = this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(MousePoint.X, MousePoint.Y);
            }
            IPointCollection vertical = new Polyline();
            vertical.AddPoint(point);
            vertical.AddPoint(point);
            //KOTilesLayer layer = Common.Utility.LayerHelper.GetLayerByName<KOTilesLayer>(m_hookHelper.FocusMap, "YGYXT");
            double InitWidht = 50;
            //if (layer != null)
            //{
            //获取鼠标点周围50米的范围
            IEnvelope env = new EnvelopeClass();
            //计算当前道路的角度
            if (MiddleLine.Line.PointCount > 1)
            {
                env.XMax = point.X + this.drawParam.Width;
                env.XMin = point.X - this.drawParam.Width;
                env.YMax = point.Y + this.drawParam.Width;
                env.YMin = point.Y - this.drawParam.Width;
                InitWidht = drawParam.Width;
                angle = GeometryOperations.getAngle(MiddleLine.Line.Point[MiddleLine.Line.PointCount - 1], point);
                if (double.IsNaN(angle) && (MiddleLine.Line.PointCount - 2) > -1)
                {
                    angle = GeometryOperations.getAngle(MiddleLine.Line.Point[MiddleLine.Line.PointCount - 2], point);
                }
                if (Double.IsNaN(angle))
                    return vertical;
            }
            else
            {
                env.XMax = point.X + InitWidht / 2;
                env.XMin = point.X - InitWidht / 2;
                env.YMax = point.Y + InitWidht / 2;
                env.YMin = point.Y - InitWidht / 2;
            }
            env.SpatialReference = m_hookHelper.FocusMap.SpatialReference;
            if (double.IsNaN(angle))
                return vertical;
            //根据范围获取影像图片
            //TilesImage img = layer.GetImage(env);
            ImgDistinguish imgDis = new ImgDistinguish();
            TilesImage img = imgDis.GetImg(env);
            //王欢   2018-11-02  未将对象引用设置到对象的实例
            //if(img.Img == null || img.Origin == null)
            if (img == null || img.Img == null || img.Origin == null)
                return vertical;
            img.PixelCount = 49;
            //获取平均灰度值
            int Gray = img.GetGrayValue(point);
            //重新设置单次搜索像素个数
            img.PixelCount = 1;
            //计算单次搜索的实际距离
            double distance = img.Resolution * Math.Sqrt(img.PixelCount);
            //记录已经搜索的总距离
            double sumDistance = distance;
            //检索出在容差范围内的平均灰度值集合
            List<int> grayValues = new List<int>();
            grayValues.Add(Gray);
            //记录参考点左边的错误像素个数
            int leftBadPixelCount = 0;
            //记录参考点右边的错误像素个数
            int rightBadPixelCount = 0;
            //记录容差范围内的灰度平均值
            double tolerance = 0;
            ///容差比例
            double toloranceScale = this.drawParam.ToloranceScale;
            //容差半径（污点宽度）
            double toloranceRadius = 2.5;

            while (sumDistance < InitWidht)
            {
                #region 循环对比像素值
                tolerance = Math.Floor((double)grayValues.Sum() / grayValues.Count);
                if (leftBadPixelCount < toloranceRadius / distance)
                {
                    IPoint leftPoint = GeometryOperations.GetPoint(point, sumDistance, -angle);
                    int grayvalue = img.GetGrayValue(leftPoint);
                    if (Math.Abs(grayvalue - tolerance) < tolerance * toloranceScale)
                    {
                        leftBadPixelCount = 0;
                        grayValues.Add(grayvalue);
                        vertical.UpdatePoint(0, leftPoint);
                    }
                    else
                    {
                        leftBadPixelCount++;
                        if (leftBadPixelCount < toloranceRadius / distance / 5)
                        {
                            vertical.UpdatePoint(0, leftPoint);
                        }
                    }
                }
                if (rightBadPixelCount < toloranceRadius / distance)
                {
                    IPoint rightPoint = GeometryOperations.GetPoint(point, -sumDistance, -angle);
                    int grayvalue = img.GetGrayValue(rightPoint);
                    if (Math.Abs(grayvalue - tolerance) < tolerance * toloranceScale)
                    {
                        rightBadPixelCount = 0;
                        grayValues.Add(grayvalue);
                        vertical.UpdatePoint(1, rightPoint);
                    }
                    else
                    {
                        rightBadPixelCount++;
                        if (rightBadPixelCount < toloranceRadius / distance / 5)
                        {
                            vertical.UpdatePoint(1, rightPoint);
                        }
                    }
                }
                sumDistance += distance;
                #endregion
            }
            //}
            return vertical;

            #endregion
        }


        /// <summary>
        /// 自动识别中心点
        /// </summary>
        private IPointCollection AutoDistinguish2(IPoint pPoint, double angle, double pWidht)
        {
            #region 自动识别道路中心线
            IPoint point = pPoint;
            IPointCollection vertical = new Polyline();
            vertical.AddPoint(point);
            vertical.AddPoint(point);
            //if (layer != null)
            //{
            //获取鼠标点周围50米的范围
            IEnvelope env = new EnvelopeClass();
            env.XMax = point.X + pWidht;
            env.XMin = point.X - pWidht;
            env.YMax = point.Y + pWidht;
            env.YMin = point.Y - pWidht;
            env.SpatialReference = m_hookHelper.FocusMap.SpatialReference;
            if (double.IsNaN(angle))
                return vertical;
            //根据范围获取影像图片
            ImgDistinguish imgDis = new ImgDistinguish();
            TilesImage img = imgDis.GetImg(env);
            img.PixelCount = 49;
            //获取平均灰度值
            int Gray = img.GetGrayValue(point);
            //重新设置单次搜索像素个数
            img.PixelCount = 1;
            //计算单次搜索的实际距离
            double distance = img.Resolution * Math.Sqrt(img.PixelCount);
            //记录已经搜索的总距离
            double sumDistance = distance;
            //检索出在容差范围内的平均灰度值集合
            List<int> grayValues = new List<int>();
            grayValues.Add(Gray);
            //记录参考点左边的错误像素个数
            int leftBadPixelCount = 0;
            //记录参考点右边的错误像素个数
            int rightBadPixelCount = 0;
            //记录容差范围内的灰度平均值
            double tolerance = 0;
            ///容差比例
            double toloranceScale = this.drawParam.ToloranceScale;
            //容差半径
            double toloranceRadius = 2.5;

            while (sumDistance < pWidht)
            {
                #region 循环对比像素值
                tolerance = Math.Floor((double)grayValues.Sum() / grayValues.Count);
                if (leftBadPixelCount < toloranceRadius / distance)
                {
                    IPoint leftPoint = GeometryOperations.GetPoint(point, sumDistance, -angle);
                    int grayvalue = img.GetGrayValue(leftPoint);
                    if (Math.Abs(grayvalue - tolerance) < tolerance * toloranceScale)
                    {
                        leftBadPixelCount = 0;
                        grayValues.Add(grayvalue);
                        vertical.UpdatePoint(0, leftPoint);
                    }
                    else
                    {
                        leftBadPixelCount++;
                        if (leftBadPixelCount < toloranceRadius / distance / 5)
                        {
                            vertical.UpdatePoint(0, leftPoint);
                        }
                    }
                }
                if (rightBadPixelCount < toloranceRadius / distance)
                {
                    IPoint rightPoint = GeometryOperations.GetPoint(point, -sumDistance, -angle);
                    int grayvalue = img.GetGrayValue(rightPoint);
                    if (Math.Abs(grayvalue - tolerance) < tolerance * toloranceScale)
                    {
                        rightBadPixelCount = 0;
                        grayValues.Add(grayvalue);
                        vertical.UpdatePoint(1, rightPoint);
                    }
                    else
                    {
                        rightBadPixelCount++;
                        if (rightBadPixelCount < toloranceRadius / distance / 5)
                        {
                            vertical.UpdatePoint(1, rightPoint);
                        }
                    }
                }
                sumDistance += distance;
                #endregion
            }
            //}
            return vertical;

            #endregion
        }

        /// <summary>
        /// 绘制
        /// </summary>
        /// <param name="pPoint"></param>
        private void Drawing(IPoint pPoint)
        {
            try
            {
                switch (drawParam.DrawMode)
                {
                    case DrawMode.Left:
                        this.MiddleLine.Scale = -0.5;
                        this.RightLine.Scale = -1;
                        DrawPointExe(pPoint, this.LeftLine, this.MiddleLine, this.RightLine);
                        break;
                    case DrawMode.Right:
                        this.LeftLine.Scale = 1;
                        this.MiddleLine.Scale = 0.5;
                        DrawPointExe(pPoint, this.RightLine, this.MiddleLine, this.LeftLine);
                        break;
                    case DrawMode.LeftAndRight:
                        this.RightLine.Scale = -0.5;
                        this.LeftLine.Scale = 0.5;
                        DrawPointExe(pPoint, this.MiddleLine, this.LeftLine, this.RightLine);
                        break;
                    default:
                        break;
                }
                this.LeftLine.DrawLine();
                this.MiddleLine.DrawLine();
                this.RightLine.DrawLine();
            }
            catch (Exception ex)
            {
                //LogAPI.Debug(ex);

                LogAPI.Debug("画双线期间 绘制 时异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("画双线期间 绘制 时异常信息结束");
            }
        }
        /// <summary>
        /// 移动
        /// </summary>
        /// <param name="pPoint"></param>
        /// <param name="IsAdjustWidth">宽度调整标识</param>
        private void Moveing(IPoint pPoint, bool IsAdjustWidth = false)
        {
            try
            {
                switch (drawParam.DrawMode)
                {
                    case DrawMode.Left:
                        this.MiddleLine.Scale = -0.5;
                        this.RightLine.Scale = -1;
                        MovePointExe(pPoint, LeftLine, RightLine, MiddleLine, IsAdjustWidth);
                        break;
                    case DrawMode.Right:
                        this.LeftLine.Scale = 1;
                        this.MiddleLine.Scale = 0.5;
                        MovePointExe(pPoint, RightLine, LeftLine, MiddleLine, IsAdjustWidth);
                        break;
                    case DrawMode.LeftAndRight:
                        this.RightLine.Scale = -0.5;
                        this.LeftLine.Scale = 0.5;
                        MovePointExe(pPoint, MiddleLine, LeftLine, RightLine, IsAdjustWidth);
                        break;
                    default:
                        break;
                }
                LeftLine.DrawLine();
                RightLine.DrawLine();
                MiddleLine.DrawLine();
            }
            catch (Exception ex)
            {
                //LogAPI.Debug(ex);

                LogAPI.Debug("画双线期间 移动 时异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("画双线期间 移动 时异常信息结束");
            }
        }
        /// <summary>
        /// 绘制新的点
        /// </summary>
        /// <param name="pPoint">点对象</param>
        /// <param name="pMainLine">鼠标绘制的线对象</param>
        /// <param name="pExtLine1">通过角度和距离计算出来的线对象1</param>
        /// <param name="pExtLine2">通过角度和距离计算出来的线对象2</param>
        private void DrawPointExe(IPoint pPoint, LineModel pMainLine, LineModel pExtLine1, LineModel pExtLine2, double pAngle = -1)
        {
            try
            {
                if (pExtLine1.Line.PointCount <= 0 || pExtLine2.Line.PointCount <= 0)
                {
                    if (pMainLine.Line.PointCount > 0)
                    {
                        pMainLine.Line.RemovePoints(0, pMainLine.Line.PointCount);
                    }
                }
                pMainLine.Line.AddPoint(pPoint);
                if (pMainLine.Line.PointCount > 1 && pAngle == -1)
                {
                    pAngle = GeometryOperations.getAngle(pMainLine.Line.get_Point(pMainLine.Line.PointCount - 2), pMainLine.Line.get_Point(pMainLine.Line.PointCount - 1));
                }
                if (pAngle == -1)
                    pAngle = 0;
                IPoint p1 = GeometryOperations.GetPoint(pPoint, drawParam.Width * pExtLine1.Scale, -pAngle);
                if (p1 == null || p1.IsEmpty)
                    return;
                IPoint p2 = GeometryOperations.GetPoint(pPoint, drawParam.Width * pExtLine2.Scale, -pAngle);
                if (p2 == null || p2.IsEmpty)
                    return;
                if (pMainLine.Line.PointCount <= 1)
                {
                    pExtLine1.Line.AddPoint(p1);
                    pExtLine2.Line.AddPoint(p2);
                    return;
                }
                //判断第一个点是否识别到已有要素边界
                List<IFeature> IdentifyFeature = null;
                List<IGeometry> lineArray = null;
                if (pMainLine.Line.PointCount == 2)
                {
                    #region 起始端线
                    IdentifyFeature = KGIS.Framework.AE.FeatureAPI.Identify(pMainLine.Line.get_Point(0), m_editor.TargetLayer, 1);
                    IdentifyFeature.AddRange(KGIS.Framework.AE.FeatureAPI.Identify(pExtLine1.Line.get_Point(0), m_editor.TargetLayer, 1));
                    IdentifyFeature.AddRange(KGIS.Framework.AE.FeatureAPI.Identify(pExtLine2.Line.get_Point(0), m_editor.TargetLayer, 1));
                    if (IdentifyFeature != null && IdentifyFeature.Count > 0)
                    {
                        lineArray = new List<IGeometry>();
                        IPolyline line = null;
                        if (m_editor.GeometryType == esriGeometryType.esriGeometryPolyline)
                        {
                            foreach (IFeature item in IdentifyFeature)
                            {
                                IPolyline tempLine = item.ShapeCopy as IPolyline;
                                if (FeatureAPI.IsInterSect(pMainLine.Line.get_Point(0) as IGeometry, tempLine))
                                {
                                    IPolyline twoPoint = new PolylineClass();
                                    twoPoint.FromPoint = pExtLine1.Line.get_Point(0);
                                    twoPoint.ToPoint = pMainLine.Line.get_Point(0);
                                    IPolyline line1 = GetSubCurve(tempLine, pExtLine1.Line.get_Point(0), pMainLine.Line.get_Point(0));
                                    if (Math.Round(line1.Length.ToDecimal(), 2, MidpointRounding.AwayFromZero) < Math.Round(twoPoint.Length.ToDecimal(), 2, MidpointRounding.AwayFromZero))
                                    {
                                        line1 = twoPoint;
                                    }
                                    lineArray.Add(line1);
                                    twoPoint = new PolylineClass();
                                    twoPoint.FromPoint = pExtLine2.Line.get_Point(0);
                                    twoPoint.ToPoint = pMainLine.Line.get_Point(0);
                                    line1 = GetSubCurve(tempLine, pExtLine2.Line.get_Point(0), pMainLine.Line.get_Point(0));
                                    if (Math.Round(line1.Length.ToDecimal(), 2, MidpointRounding.AwayFromZero) < Math.Round(twoPoint.Length.ToDecimal(), 2, MidpointRounding.AwayFromZero))
                                    {
                                        line1 = twoPoint;
                                    }
                                    lineArray.Add(line1);
                                }
                            }
                            StartLine = FeatureAPI.MergeGeometry(lineArray) as IPolyline;
                        }
                    }
                    #endregion
                }
                IdentifyFeature = KGIS.Framework.AE.FeatureAPI.Identify(pMainLine.Line.get_Point(pMainLine.Line.PointCount - 1), m_editor.TargetLayer, 1);
                IdentifyFeature.AddRange(KGIS.Framework.AE.FeatureAPI.Identify(pExtLine1.Line.get_Point(pExtLine1.Line.PointCount - 1), m_editor.TargetLayer, 1));
                IdentifyFeature.AddRange(KGIS.Framework.AE.FeatureAPI.Identify(pExtLine2.Line.get_Point(pExtLine2.Line.PointCount - 1), m_editor.TargetLayer, 1));
                if (IdentifyFeature == null || IdentifyFeature.Count == 0)
                {
                    pExtLine1.Line.AddPoint(p1);
                    pExtLine2.Line.AddPoint(p2);
                    return;
                }
                #region 结束端线
                lineArray = new List<IGeometry>(); if (m_editor.GeometryType == esriGeometryType.esriGeometryPolyline)
                {
                    foreach (IFeature item in IdentifyFeature)
                    {
                        IPolyline tempLine = item.ShapeCopy as IPolyline;
                        if (FeatureAPI.IsInterSect(pMainLine.Line.get_Point(pMainLine.Line.PointCount - 1) as IGeometry, tempLine))
                        {
                            IPolyline twoPoint = new PolylineClass();
                            twoPoint.FromPoint = pExtLine1.Line.get_Point(pExtLine1.Line.PointCount - 1);
                            twoPoint.ToPoint = pMainLine.Line.get_Point(pMainLine.Line.PointCount - 2);
                            IPoint p4 = GetIntersectPoint(pExtLine1.Line.get_Point(pExtLine1.Line.PointCount - 1), p1, tempLine as IPolyline);
                            if (p4 != null && !p4.IsEmpty)
                                p1 = p4;
                            IPolyline line1 = GetSubCurve(tempLine as IPolyline, p1, pMainLine.Line.get_Point(pMainLine.Line.PointCount - 1));
                            if (Math.Round(line1.Length.ToDecimal(), 2, MidpointRounding.AwayFromZero) < Math.Round(twoPoint.Length.ToDecimal(), 2, MidpointRounding.AwayFromZero))
                            {
                                line1 = twoPoint;
                            }
                            lineArray.Add(line1);
                            IPoint p3 = GetIntersectPoint(pExtLine2.Line.get_Point(pExtLine2.Line.PointCount - 1), p2, tempLine as IPolyline);
                            if (p3 != null && !p3.IsEmpty)
                                p2 = p3;
                            line1 = GetSubCurve(tempLine as IPolyline, p2, pMainLine.Line.get_Point(pMainLine.Line.PointCount - 1));
                            if (Math.Round(line1.Length.ToDecimal(), 2, MidpointRounding.AwayFromZero) < Math.Round(twoPoint.Length.ToDecimal(), 2, MidpointRounding.AwayFromZero))
                            {
                                line1 = twoPoint;
                            }
                            lineArray.Add(line1);
                        }
                    }
                    EndLine = FeatureAPI.MergeGeometry(lineArray) as IPolyline;
                }
                pExtLine1.Line.AddPoint(p1);
                pExtLine2.Line.AddPoint(p2);
                if (EndLine != null && IsShiftDown)
                {
                    this.DrawComplete();
                }
                #endregion
            }
            catch (Exception ex)
            {
                //LogAPI.Debug(ex);

                LogAPI.Debug("画双线期间 绘制新的点 时异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("画双线期间 绘制新的点 时异常信息结束");
            }
        }
        /// <summary>
        /// 移动现有的点
        /// </summary>
        /// <param name="pPoint">目标点</param>
        /// <param name="pMainLine">鼠标绘制的线对象</param>
        /// <param name="pExtLine1">通过角度和距离计算出来的线对象1</param>
        /// <param name="pExtLine2">通过角度和距离计算出来的线对象2</param>
        /// <param name="IsAdjustWidth">宽度调整标识</param>
        private void MovePointExe(IPoint pPoint, LineModel pMainLine, LineModel pExtLine1, LineModel pExtLine2, bool IsAdjustWidth = false)
        {
            try
            {
                if (pMainLine.Line.PointCount < 1 || pExtLine1.Line.PointCount < 1 || pExtLine1.Line.PointCount < 1)
                    return;
                double angle = GeometryOperations.getAngle(pMainLine.Line.Point[pMainLine.Line.PointCount - 1], pPoint);
                if (Double.IsNaN(angle))
                    return;
                IPoint pExtLine1StartPoint = null;
                IPoint pExtLine2StartPoint = null;
                IPoint pExtLine1EndPoint = null;
                IPoint pExtLine2EndPoint = null;
                //获取鼠标跟随线上的第二个点
                pExtLine1EndPoint = GeometryOperations.GetPoint(pPoint, drawParam.Width * pExtLine1.Scale, -angle);
                pExtLine2EndPoint = GeometryOperations.GetPoint(pPoint, drawParam.Width * pExtLine2.Scale, -angle);
                if (pMainLine.Line.PointCount == 1)
                {
                    pExtLine1StartPoint = GeometryOperations.GetPoint(pMainLine.Line.get_Point(0), drawParam.Width * pExtLine1.Scale, -angle);
                    pExtLine2StartPoint = GeometryOperations.GetPoint(pMainLine.Line.get_Point(0), drawParam.Width * pExtLine2.Scale, -angle);
                    //判断第一个点是否识别到已有要素边界
                    List<IFeature> IdentifyFeature = KGIS.Framework.AE.FeatureAPI.Identify(pMainLine.Line.get_Point(0), m_editor.TargetLayer, 1);
                    IdentifyFeature.AddRange(KGIS.Framework.AE.FeatureAPI.Identify(pExtLine1.Line.get_Point(0), m_editor.TargetLayer, 1));
                    IdentifyFeature.AddRange(KGIS.Framework.AE.FeatureAPI.Identify(pExtLine2.Line.get_Point(0), m_editor.TargetLayer, 1));
                    if (IdentifyFeature != null && IdentifyFeature.Count > 0)
                    {
                        IPolyline line = null;
                        if (m_editor.GeometryType == esriGeometryType.esriGeometryPolyline)
                        {
                            foreach (IFeature item in IdentifyFeature)
                            {
                                if (line == null)
                                {
                                    line = item.ShapeCopy as IPolyline;
                                }
                                else
                                {
                                    //捕捉时，起始点捕捉错误，但是无法修改宽度问题处理
                                    ITopologicalOperator topolog = line as ITopologicalOperator;
                                    topolog.Simplify();
                                    IGeometry pGeometry = item.ShapeCopy;
                                    (pGeometry as ITopologicalOperator).Simplify();
                                    line = topolog.Union(pGeometry) as IPolyline;
                                    //line = topolog.Union(item.ShapeCopy) as IPolyline;
                                }
                            }
                        }
                        if (line != null)
                        {
                            if (KGIS.Framework.AE.FeatureAPI.IsInterSect(pMainLine.Line.get_Point(0) as IGeometry, line))
                            {
                                ITopologicalOperator2 topo = line as ITopologicalOperator2;
                                IPoint p = GetIntersectPoint(pExtLine1EndPoint, pExtLine1StartPoint, line);
                                if (p != null && !p.IsEmpty)
                                {
                                    pExtLine1StartPoint = p;
                                }
                                IPoint p2 = GetIntersectPoint(pExtLine2EndPoint, pExtLine2StartPoint, line);
                                if (p2 != null && !p2.IsEmpty)
                                {
                                    pExtLine2StartPoint = p2;
                                }
                            }
                        }
                    }
                }
                else
                {
                    pExtLine1StartPoint = GeometryOperations.getParallelPoint(pMainLine.Line.get_Point(pMainLine.Line.PointCount - 2), pMainLine.Line.get_Point(pMainLine.Line.PointCount - 1), pPoint, drawParam.Width * pExtLine1.Scale);
                    pExtLine2StartPoint = GeometryOperations.getParallelPoint(pMainLine.Line.get_Point(pMainLine.Line.PointCount - 2), pMainLine.Line.get_Point(pMainLine.Line.PointCount - 1), pPoint, drawParam.Width * pExtLine2.Scale);
                }

                //更新第一条线上的点
                pExtLine1.Line.UpdatePoint(pExtLine1.Line.PointCount - 1, pExtLine1StartPoint);
                //更新第一条跟随线上的点
                pExtLine1.FollowLine.Stop();
                pExtLine1.FollowLine.Start(new PolylineClass() { FromPoint = pExtLine1StartPoint, ToPoint = pExtLine1StartPoint }, 0, pExtLine1StartPoint);
                pExtLine1.FollowLine.MoveTo(GeometryOperations.GetPoint(pPoint, drawParam.Width * pExtLine1.Scale, -angle));
                //pExtLine1.FollowLine.UpdatePoint(0, pExtLine1StartPoint);
                //pExtLine1.FollowLine.UpdatePoint(1, GeometryOperations.GetPoint(pPoint, drawParam.Width * pExtLine1.Scale, -angle));

                //更新第二条线上的点
                pExtLine2.Line.UpdatePoint(pExtLine1.Line.PointCount - 1, pExtLine2StartPoint);
                //更新第二条跟随线上的点
                pExtLine2.FollowLine.Stop();
                pExtLine2.FollowLine.Start(new PolylineClass() { FromPoint = pExtLine2StartPoint, ToPoint = pExtLine2StartPoint }, 0, pExtLine2StartPoint);
                pExtLine2.FollowLine.MoveTo(GeometryOperations.GetPoint(pPoint, drawParam.Width * pExtLine2.Scale, -angle));
                //pExtLine2.FollowLine.UpdatePoint(0, pExtLine2StartPoint);
                //pExtLine2.FollowLine.UpdatePoint(1, GeometryOperations.GetPoint(pPoint, drawParam.Width * pExtLine2.Scale, -angle));

                //根据传入的布尔型参数IsAdjustWidth判断是否是宽度调整
                if (!IsAdjustWidth)
                {
                    //更新主跟随线上的点
                    pMainLine.FollowLine.Stop();
                    pMainLine.FollowLine.Start(new PolylineClass() { FromPoint = pMainLine.Line.get_Point(pMainLine.Line.PointCount - 1), ToPoint = pMainLine.Line.get_Point(pMainLine.Line.PointCount - 1) }, 0, pMainLine.Line.get_Point(pMainLine.Line.PointCount - 1));
                    pMainLine.FollowLine.MoveTo(pPoint);
                    //pMainLine.FollowLine.UpdatePoint(0, pMainLine.Line.get_Point(pMainLine.Line.PointCount - 1));
                    //pMainLine.FollowLine.UpdatePoint(1, pPoint);
                }

            }
            catch (Exception ex)
            {
                //LogAPI.Debug(ex);

                LogAPI.Debug("画双线期间 移动现有的点 时异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("画双线期间 移动现有的点 时异常信息结束");
            }
        }

        private IPolyline GetSubCurve(IPolyline inpolyLine, IPoint pnt1, IPoint pnt2)
        {
            double d1 = GetDistAlong(inpolyLine, pnt1);
            double d2 = GetDistAlong(inpolyLine, pnt2);

            var c = inpolyLine as ICurve;
            ICurve outCurve;
            c.GetSubcurve(d1, d2, false, out outCurve);
            if (c == null || c.IsEmpty)
                throw new Exception("aa");
            var outPolyline = outCurve as IPolyline;
            if (outPolyline == null)
            {
                outPolyline = new PolylineClass() as IPolyline;
                var sc = outPolyline as ISegmentCollection;
                sc.AddSegment((ISegment)outCurve);
                ((IGeometry)sc).SpatialReference = outCurve.SpatialReference;
            }
            return outPolyline;
        }
        private double GetDistAlong(IPolyline polyLine, IPoint pnt)
        {
            var outPnt = new PointClass() as IPoint;
            double distAlong = double.NaN;
            double distFrom = double.NaN;
            bool bRight = false;
            polyLine.QueryPointAndDistance(esriSegmentExtension.esriNoExtension, pnt, false, outPnt,
            ref distAlong, ref distFrom, ref bRight);
            return distAlong;
        }
        /// <summary>
        /// 创建区间线段
        /// </summary>
        /// <param name="pLine">输入的线图形</param>
        /// <param name="p1">插入的其中第一个点</param>
        /// <param name="p2">插入的其中第一个点</param>
        /// <returns>这两点间的线段</returns>
        /// 创建人 ： 懒羊羊
        private IPolyline BuildLine(IPolyline pLine, IPoint p1, IPoint p2)
        {
            bool isSplit;
            int splitIndex, segIndex;
            //插入第一点，segIndex记录插入点的相对线的节点位置
            pLine.SplitAtPoint(p1, true, false, out isSplit, out splitIndex, out segIndex);
            int fIndex = segIndex;
            //插入第二点
            pLine.SplitAtPoint(p2, true, false, out isSplit, out splitIndex, out segIndex);
            int sIndex = segIndex;
            //比较一下插入第一点和第二点的节点次序
            if (fIndex > sIndex)
            {
                int temp = fIndex;
                fIndex = sIndex;
                sIndex = temp;
            }
            IPointCollection pPointCol = new PolylineClass();
            object o = Type.Missing;
            //利用两点区间，获取线上区间所在的点，并将其转换为线
            IPointCollection LineCol = pLine as IPointCollection;
            for (int i = fIndex; i <= sIndex; i++)
            {
                pPointCol.AddPoint(LineCol.get_Point(i), ref o, ref o);
            }
            return pPointCol as IPolyline;
        }
        /// <summary>
        /// 绘制点对象到地图
        /// </summary>
        /// <param name="pPoints"></param>
        private void DrawPoint(IPointCollection pPoints)
        {
            try
            {
                if (pPoints == null || pPoints.PointCount == 0)
                    return;
                // 获取IRGBColor接口
                IRgbColor color = new RgbColor();
                // 设置颜色属性
                color.Red = 255;
                color.Green = 0;
                color.Blue = 0;
                IMarkerSymbol symbol = new SimpleMarkerSymbolClass();
                symbol.Color = color;
                symbol.Size = 5;
                IPointCollection pointList = new Polyline();
                pointList.AddPoint(this.LeftLine.Line.get_Point(this.LeftLine.Line.PointCount - 1));
                pointList.AddPoint(this.MiddleLine.Line.get_Point(this.MiddleLine.Line.PointCount - 1));
                pointList.AddPoint(this.RightLine.Line.get_Point(this.RightLine.Line.PointCount - 1));
                IPointCollection pointList2 = new Polyline();
                pointList2.AddPoint(this.LeftLine.Line.get_Point(this.LeftLine.Line.PointCount - 1));
                pointList2.AddPoint(this.MiddleLine.Line.get_Point(this.MiddleLine.Line.PointCount - 1));
                pointList2.AddPoint(this.RightLine.Line.get_Point(this.RightLine.Line.PointCount - 1));
                for (int i = 0; i < pPoints.PointCount; i++)
                {
                    if (PointElement.Count == i)
                    {
                        IMarkerElement e = new MarkerElementClass();
                        e.Symbol = symbol;
                        PointElement.Add(e as IElement);
                        this.m_hookHelper.ActiveView.GraphicsContainer.AddElement(e as IElement, 0);
                    }
                    IElement element = PointElement[i];
                    pointList.AddPoint(element.Geometry as IPoint);
                    element.Geometry = pPoints.get_Point(i);
                    pointList2.AddPoint(pPoints.get_Point(i));
                }
                pointList.AddPoint(this.LeftLine.Line.get_Point(this.LeftLine.Line.PointCount - 1));
                IPolyline line = pointList as IPolyline;
                if (line.Length <= 0 || line.Length.Equals(double.NaN))
                {
                    return;
                }
                ITopologicalOperator topo = line as ITopologicalOperator;
                IGeometry geo = topo.Buffer(10);
                this.m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, this.m_hookHelper.ActiveView.Extent);
                //this.m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, geo.Envelope);
                //this.m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, (pointList2 as IPolyline).Envelope);
            }
            catch (Exception ex)
            {
                //LogAPI.Debug(ex);

                LogAPI.Debug("画双线期间 绘制点对象到地图 时异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("画双线期间 绘制点对象到地图 时异常信息结束");
            }
        }
        /// <summary>
        /// 绘制文本对象
        /// </summary>
        /// <param name="geoDraw"></param>
        /// <param name="pElement"></param>
        public void DrawTextElement(ESRI.ArcGIS.Geometry.IGeometry geoDraw, ref IElement pElement)
        {
            if (pElement != null && geoDraw != null)
            {
                if (pElement is ITextElement)
                {
                    (pElement as ITextElement).Text = string.Format("当前宽度 {0} 米", drawParam.Width);
                }
                pElement.Geometry = geoDraw;
                m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, m_hookHelper.ActiveView.Extent);
                return;
            }
            // 获取IRGBColor接口
            IRgbColor color = new RgbColor();
            // 设置颜色属性
            color.Red = 0;
            color.Green = 255;
            color.Blue = 255;
            //IFontDisp pFont = new StdFont()  
            //{  
            //    Name = "宋体",  
            //    Bold = true  
            //} as IFontDisp;

            ITextSymbol pTextSymbol = new TextSymbolClass()
            {
                Color = color,
                //Font = pFont,
                Size = 12
            };
            ITextElement pTextElement = new TextElementClass()
            {
                Symbol = pTextSymbol,
                ScaleText = true,
                Text = string.Format("当前宽度 {0} 米", drawParam.Width)
            };
            IPoint point = geoDraw as IPoint;
            point.X += 2;
            point.Y -= 1;
            if (pElement == null)
            {
                pElement = pTextElement as IElement;
                pElement.Geometry = point;
                m_hookHelper.ActiveView.GraphicsContainer.AddElement(pElement, 0);
            }
            m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, m_hookHelper.ActiveView.Extent);
        }
        /// <summary>
        /// 删除指定的Element
        /// </summary>
        /// <param name="pElement"></param>
        public void DelElement(ref IElement pElement)
        {
            try
            {
                if (pElement != null)
                {
                    m_hookHelper.ActiveView.GraphicsContainer.DeleteElement(pElement);
                    m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, m_hookHelper.ActiveView.Extent);
                    pElement = null;
                }
            }
            catch (Exception ex)
            {
                //LogAPI.Debug(ex);

                LogAPI.Debug("画双线期间 删除指定的Element 时异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("画双线期间 删除指定的Element 时异常信息结束");
            }
        }
        /// <summary>
        /// 捕捉Element上的点并返回点的索引
        /// </summary>
        /// <param name="pPoint"></param>
        /// <returns></returns>
        private int SnapElement(IPoint pPoint)
        {
            int pointIndex = -1;
            try
            {
                //中心线距离
                double len = -1;
                for (int i = 0; i < MiddleLine.Line.PointCount; i++)
                {
                    IPolyline line = new PolylineClass();
                    line.FromPoint = MiddleLine.Line.get_Point(i);
                    line.ToPoint = pPoint;
                    line.SpatialReference = pPoint.SpatialReference;
                    if (len == -1)
                    {
                        len = line.Length;
                        pointIndex = i;
                    }
                    else
                    {
                        if (len > line.Length)
                        {
                            len = line.Length;
                            pointIndex = i;
                        }
                    }
                }

            }
            catch (Exception ex)
            {
                LogAPI.Debug("画双线期间 在捕捉Element上的点并返回点的索引 时异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("画双线期间 在捕捉Element上的点并返回点的索引 时异常信息结束");

                //LogAPI.Debug(ex);
                return -1;
            }
            return pointIndex;
        }

        /// <summary>
        /// 捕捉Element上的点并返回点的索引
        /// </summary>
        /// <param name="pPoint"></param>
        /// <returns></returns>
        private int SnapElement(IPoint pPoint, out int p)
        {
            int pointIndex = -1;
            try
            {
                double tempLen = -1;
                //中心线距离
                double len = -1;
                //左边线距离
                double len1 = -1;
                //右边线距离
                double len2 = -1;
                //中心线索引
                int m_index = -1;
                //左边线索引
                int l_index = -1;
                //右边线索引
                int r_index = -1;
                for (int i = 0; i < MiddleLine.Line.PointCount; i++)
                {
                    IPolyline line = new PolylineClass();
                    line.FromPoint = MiddleLine.Line.get_Point(i);
                    line.ToPoint = pPoint;
                    line.SpatialReference = pPoint.SpatialReference;
                    if (len == -1)
                    {
                        len = line.Length;
                        m_index = i;
                    }
                    else
                    {
                        if (len > line.Length)
                        {
                            len = line.Length;
                            m_index = i;
                        }
                    }
                }
                for (int i = 0; i < LeftLine.Line.PointCount; i++)
                {
                    IPolyline line = new PolylineClass();
                    line.FromPoint = LeftLine.Line.get_Point(i);
                    line.ToPoint = pPoint;
                    line.SpatialReference = pPoint.SpatialReference;
                    if (len1 == -1)
                    {
                        len1 = line.Length;
                        l_index = i;
                    }
                    else
                    {
                        if (len1 > line.Length)
                        {
                            len1 = line.Length;
                            l_index = i;
                        }
                    }
                }
                for (int i = 0; i < RightLine.Line.PointCount; i++)
                {
                    IPolyline line = new PolylineClass();
                    line.FromPoint = RightLine.Line.get_Point(i);
                    line.ToPoint = pPoint;
                    line.SpatialReference = pPoint.SpatialReference;
                    if (len2 == -1)
                    {
                        len2 = line.Length;
                        r_index = i;
                    }
                    else
                    {
                        if (len2 > line.Length)
                        {
                            len2 = line.Length;
                            r_index = i;
                        }
                    }
                }
                if (len > len1)
                {
                    if (len1 > len2)
                    {
                        p = -1;
                        tempLen = len2;
                        pointIndex = r_index;
                    }
                    else
                    {
                        p = 1;
                        tempLen = len1;
                        pointIndex = l_index;
                    }
                }
                else
                {
                    if (len > len2)
                    {
                        p = -1;
                        tempLen = len2;
                        pointIndex = r_index;
                    }
                    else
                    {
                        p = 0;
                        tempLen = len;
                        pointIndex = m_index;
                    }
                }
                if (tempLen > 3)
                {
                    pointIndex = -1;
                }

            }
            catch (Exception ex)
            {
                p = 0;
                //LogAPI.Debug(ex);

                LogAPI.Debug("画双线期间 捕捉Element上的点并返回点的索引 时异常，异常信息如下：");
                LogAPI.Debug(ex);
                LogAPI.Debug("画双线期间 捕捉Element上的点并返回点的索引 时异常信息结束");

                return -1;
            }
            return pointIndex;
        }

        #endregion
        /// <summary>
        /// 设置鼠标的坐标
        /// </summary>
        /// <param name="x">横坐标</param>
        /// <param name="y">纵坐标</param>
        [DllImport("User32")]
        public extern static void SetCursorPos(int x, int y);

        public override enumProductType AttachProductType
        {
            get { return enumProductType.KDB | enumProductType.KAP; }
        }
        public override void Refresh(int hDC)
        {
            if (MiddleLine != null && MiddleLine.FollowLine != null)
                MiddleLine.FollowLine.Refresh(hDC);
            if (LeftLine != null && LeftLine.FollowLine != null)
                LeftLine.FollowLine.Refresh(hDC);
            if (RightLine != null && RightLine.FollowLine != null)
                RightLine.FollowLine.Refresh(hDC);
            base.Refresh(hDC);
        }


    }

}