/// <summary> /// 向制定名称的绘制图层添加一个绘制对象 /// </summary> /// <param name="gra">绘制对象</param> /// <param name="target">绘制图层名称</param> /// <param name="param">参数</param> public void AddGraphic(Graphic gra, string target, object param = null) { switch (target) { case "Highlight": //if (gra.Geometry is MapPoint) //{ // SimpleMarkerSymbol s = new SimpleMarkerSymbol // { // Color = Color.FromArgb(0, 0, 0, 0), // Size = 20, // Outline = // new SimpleLineSymbol { Color = Colors.Red, Style = SimpleLineStyle.Solid, Width = 3 } // }; // gra.Symbol = s; //} if (gra.Geometry is MapPoint) { var bytes = param as byte[]; if (bytes != null) { var ps = new PictureMarkerSymbol(); ps.SetSource(bytes); gra.Symbol = ps; } } _highLightLayer.Graphics.Add(gra); break; case "Drawing": if (gra.Geometry is MapPoint) { var bytes = param as byte[]; if (bytes != null) { var ps = new PictureMarkerSymbol(); ps.SetSource(bytes); gra.Symbol = ps; } } if (gra.Geometry is Polyline) { if (param == null) { } else { SimpleLineSymbol sls = new SimpleLineSymbol { Color = Colors.Red, Width = 5 }; gra.Symbol = sls; } } _drawingLayer.Graphics.Add(gra); break; } }