ArcEngine中闪烁目标

 

2. //闪烁目标
3.         public static void FlashFeature(AxMapControl mapControl,IFeature iFeature, IMap iMap)
4.         {
5.             IActiveView iActiveView = iMap as IActiveView;
6.             if (iActiveView != null)
7.             {
8.                 iActiveView.ScreenDisplay.StartDrawing(0, (short)esriScreenCache.esriNoScreenCache);
9.                 //根据几何类型调用不同的过程
10.                 switch (iFeature.Shape.GeometryType)
11.                 {
12.                     case esriGeometryType.esriGeometryPolyline:
13.                         FlashLine(mapControl, iActiveView.ScreenDisplay, iFeature.Shape);
14.                         break;
15.                     case esriGeometryType.esriGeometryPolygon:
16.                         FlashPolygon(mapControl, iActiveView.ScreenDisplay, iFeature.Shape);
17.                         break;
18.                     case esriGeometryType.esriGeometryPoint:
19.                         FlashPoint(mapControl, iActiveView.ScreenDisplay, iFeature.Shape);
20.                         break;
21.                     default:
22.                         break;
23.                 }
24.                 iActiveView.ScreenDisplay.FinishDrawing();
25.             }
26.         }
30.         //闪烁线
31.         static void FlashLine(AxMapControl mapControl,IScreenDisplay iScreenDisplay,IGeometry iGeometry)
32.         {
33.             ISimpleLineSymbol iLineSymbol;
34.             ISymbol iSymbol;
35.             IRgbColor iRgbColor;
39.             iLineSymbol = new SimpleLineSymbol();
40.             iLineSymbol.Width = 4;
41.             iRgbColor = new RgbColor();
42.             iRgbColor.Red = 255;
43.             iLineSymbol.Color = iRgbColor;
44.             iSymbol = (ISymbol)iLineSymbol;
45.             iSymbol.ROP2 = esriRasterOpCode.esriROPNotXOrPen;
46.             mapControl.FlashShape(iGeometry, 3, 200, iSymbol);
47.         }
51.         //闪烁面
52.         static void FlashPolygon(AxMapControl mapControl, IScreenDisplay iScreenDisplay, IGeometry iGeometry)
53.         {
54.             ISimpleFillSymbol iFillSymbol;
55.             ISymbol iSymbol;
56.             IRgbColor iRgbColor;
60.             iFillSymbol = new SimpleFillSymbol();
61.             iFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
62.             iFillSymbol.Outline.Width = 12;
66.             iRgbColor = new RgbColor();
67.             iRgbColor.RGB = System.Drawing.Color.FromArgb(100, 180, 180).ToArgb();
68.             iFillSymbol.Color = iRgbColor;
72.             iSymbol = (ISymbol)iFillSymbol;
73.             iSymbol.ROP2 = esriRasterOpCode.esriROPNotXOrPen;
74.             iScreenDisplay.SetSymbol(iSymbol);
75.             mapControl.FlashShape(iGeometry, 3, 200, iSymbol);
76.         }
80.         //闪烁点
81.         static void FlashPoint(AxMapControl mapControl, IScreenDisplay iScreenDisplay, IGeometry iGeometry)
82.         {
83.             ISimpleMarkerSymbol iMarkerSymbol;
84.             ISymbol iSymbol;
85.             IRgbColor iRgbColor;
89.             iMarkerSymbol = new SimpleMarkerSymbol();
90.             iMarkerSymbol.Style = esriSimpleMarkerStyle.esriSMSCircle;
91.             iRgbColor = new RgbColor();
92.             iRgbColor.RGB = System.Drawing.Color.FromArgb(0, 0, 0).ToArgb();
93.             iMarkerSymbol.Color = iRgbColor;
94.             iSymbol = (ISymbol)iMarkerSymbol;
95.             iSymbol.ROP2 = esriRasterOpCode.esriROPNotXOrPen;
96.             mapControl.FlashShape(iGeometry, 3, 200, iSymbol);
97.         }