NDBGJK5.0/Kingo.PluginServiceInterface/Helper/MarkLabelLayerForZYQ.cs

using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Display;
using KGIS.Framework.Maps;
using KGIS.Framework.Utils;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Kingo.PluginServiceInterface.Helper
{
    public class MarkLabelLayerForZYQ
    {

        //AxMapControl axMapControl1 = MapsManager.Instance.MapService.getAxMapControl();
        public static void MarkLayer()
        {
            try
            {
                //AxMapControl axMapControl1 = MapsManager.Instance.MapService.getAxMapControl();
                IFeatureLayer pFeatureLayer = MapsManager.Instance.MapService.GetFeatureLayerByName("ZYQ");
                if (pFeatureLayer == null) return;
                IGeoFeatureLayer pGeoLayer = pFeatureLayer as IGeoFeatureLayer;
                IRgbColor pColor = new RgbColorClass() { Red = 85, Blue = 105, Green = 255 };
                stdole.IFontDisp pFont = new stdole.StdFont()
                {
                    Name = "宋体",
                    //Bold = true
                } as stdole.IFontDisp;

                ITextSymbol pTextSymbol = new TextSymbolClass()
                {
                    Color = pColor,
                    Font = pFont,
                    Size = 8
                };
                IBasicOverposterLayerProperties pBasicOverLayerPro = new BasicOverposterLayerPropertiesClass();
                pBasicOverLayerPro.FeatureType = esriBasicOverposterFeatureType.esriOverposterPolygon;
                pBasicOverLayerPro.GenerateUnplacedLabels = true;
                pBasicOverLayerPro.NumLabelsOption = esriBasicNumLabelsOption.esriOneLabelPerShape;

                ILabelEngineLayerProperties pLableEngine = new LabelEngineLayerPropertiesClass()
                {
                    Symbol = pTextSymbol,
                    IsExpressionSimple = true
                };
                IOverposterLayerProperties2 pOverLayerProper = pBasicOverLayerPro as IOverposterLayerProperties2;
                pOverLayerProper.TagUnplaced = true;//设置该属性，目的是不被其他element遮挡
                pLableEngine.BasicOverposterLayerProperties = pBasicOverLayerPro;
                IAnnotateLayerProperties pAnnoPros = pLableEngine as IAnnotateLayerProperties;
                pGeoLayer.AnnotationProperties.Add(pAnnoPros);
                pGeoLayer.DisplayAnnotation = true;
                //axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewBackground, null, axMapControl1.Extent);
            }
            catch (Exception ex)
            {
                LogAPI.Debug("设置标注时发生异常，异常信息如下：" + ex);
                return;
            }
        }

    }
}