NDBGJK5.0/Kingo.Plugins/KGIS.Plugin.LayerProperty/View/UC_Controls/UCExtentSet.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using ESRI.ArcGIS.Geometry;

namespace KGIS.Plugin.LayerProperty.View.UC_Controls
{
    public partial class UCExtentSet : UserControl
    {
        private double left;
        private double bottom;
        private double right;
        private double top;
        public new double Left
        {
            get
            {
                return this.left;
            }
            set
            {
                this.left = value;
            }
        }
        public new double Bottom
        {
            get
            {
                return this.bottom;
            }
            set
            {
                this.bottom = value;
            }
        }
        public new double Right
        {
            get
            {
                return this.right;
            }
            set
            {
                this.right = value;
            }
        }
        public new double Top
        {
            get
            {
                return this.top;
            }
            set
            {
                this.top = value;
            }
        }
        public UCExtentSet()
        {
            InitializeComponent();
        }
        public void SetEnvelope(IEnvelope envelope, bool readOnly)
        {
            try
            {
                try
                {
                    this.txtBottom.Text = "";
                    this.txtLeft.Text = "";
                    this.txtRight.Text = "";
                    this.txtTop.Text = "";
                }
                catch
                {
                }
                this.txtBottom.Properties.ReadOnly = readOnly;
                this.txtLeft.Properties.ReadOnly = readOnly;
                this.txtRight.Properties.ReadOnly = readOnly;
                this.txtTop.Properties.ReadOnly = readOnly;
                if (envelope != null)
                {
                    this.txtBottom.Text = envelope.YMin.ToString();
                    this.txtLeft.Text = envelope.XMin.ToString();
                    this.txtRight.Text = envelope.XMax.ToString();
                    this.txtTop.Text = envelope.YMax.ToString();
                    ISpatialReference spatialReference = envelope.SpatialReference;
                    this.SetUnit(spatialReference);
                }
            }
            catch
            {
            }
        }
        private void SetUnit(ISpatialReference spatialReference)
        {
            if (spatialReference is IGeographicCoordinateSystem)
            {
                IGeographicCoordinateSystem geographicCoordinateSystem = spatialReference as IGeographicCoordinateSystem;
                IAngularUnit coordinateUnit = geographicCoordinateSystem.CoordinateUnit;
                string text = (coordinateUnit != null) ? coordinateUnit.Name : "未知";
                this.lblUnit1.Text = text;
                this.lblUnit2.Text = text;
                this.lblUnit3.Text = text;
                this.lblUnit4.Text = text;
                return;
            }
            if (spatialReference is IProjectedCoordinateSystem)
            {
                IProjectedCoordinateSystem projectedCoordinateSystem = spatialReference as IProjectedCoordinateSystem;
                ILinearUnit coordinateUnit2 = projectedCoordinateSystem.CoordinateUnit;
                string text2 = (coordinateUnit2 != null) ? coordinateUnit2.Name : "未知";
                this.lblUnit1.Text = text2;
                this.lblUnit2.Text = text2;
                this.lblUnit3.Text = text2;
                this.lblUnit4.Text = text2;
                return;
            }
            string text3 = "未知";
            this.lblUnit1.Text = text3;
            this.lblUnit2.Text = text3;
            this.lblUnit3.Text = text3;
            this.lblUnit4.Text = text3;
        }
        private void txtTop_EditValueChanged(object sender, System.EventArgs e)
        {
            this.top = Convert.ToDouble(this.txtTop.Text);
        }
        private void txtRight_EditValueChanged(object sender, System.EventArgs e)
        {
            this.right = Convert.ToDouble(this.txtRight.Text);
        }
        private void txtLeft_EditValueChanged(object sender, System.EventArgs e)
        {
            this.left = Convert.ToDouble(this.txtLeft.Text);
        }
        private void txtBottom_EditValueChanged(object sender, System.EventArgs e)
        {
            this.bottom = Convert.ToDouble(this.txtBottom.Text);
        }
    }
}