ArcEngine中閃爍目標

//閃爍目標
public static void FlashFeature(AxMapControl mapControl,IFeature iFeature, IMap iMap)
{
IActiveView iActiveView = iMap as IActiveView;
if (iActiveView != null)
{
iActiveView.ScreenDisplay.StartDrawing(0, (short)esriScreenCache.esriNoScreenCache);
//根據幾何類型調用不同的過程
switch (iFeature.Shape.GeometryType)
{
case esriGeometryType.esriGeometryPolyline:
FlashLine(mapControl, iActiveView.ScreenDisplay, iFeature.Shape);
break;
case esriGeometryType.esriGeometryPolygon:
FlashPolygon(mapControl, iActiveView.ScreenDisplay, iFeature.Shape);
break;
case esriGeometryType.esriGeometryPoint:
FlashPoint(mapControl, iActiveView.ScreenDisplay, iFeature.Shape);
break;
default:
break;
}
iActiveView.ScreenDisplay.FinishDrawing();
}
}

//閃爍線
static void FlashLine(AxMapControl mapControl,IScreenDisplay iScreenDisplay,IGeometry iGeometry)
{
ISimpleLineSymbol iLineSymbol;
ISymbol iSymbol;
IRgbColor iRgbColor;

iLineSymbol = new SimpleLineSymbol();
iLineSymbol.Width = 4;
iRgbColor = new RgbColor();
iRgbColor.Red = 255;
iLineSymbol.Color = iRgbColor;
iSymbol = (ISymbol)iLineSymbol;
iSymbol.ROP2 = esriRasterOpCode.esriROPNotXOrPen;
mapControl.FlashShape(iGeometry, 3, 200, iSymbol);
}

//閃爍面
static void FlashPolygon(AxMapControl mapControl, IScreenDisplay iScreenDisplay, IGeometry iGeometry)
{
ISimpleFillSymbol iFillSymbol;
ISymbol iSymbol;
IRgbColor iRgbColor;

iFillSymbol = new SimpleFillSymbol();
iFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
iFillSymbol.Outline.Width = 12;

iRgbColor = new RgbColor();
iRgbColor.RGB = System.Drawing.Color.FromArgb(100, 180, 180).ToArgb();
iFillSymbol.Color = iRgbColor;

iSymbol = (ISymbol)iFillSymbol;
iSymbol.ROP2 = esriRasterOpCode.esriROPNotXOrPen;
iScreenDisplay.SetSymbol(iSymbol);
mapControl.FlashShape(iGeometry, 3, 200, iSymbol);
}

//閃爍點
static void FlashPoint(AxMapControl mapControl, IScreenDisplay iScreenDisplay, IGeometry iGeometry)
{
ISimpleMarkerSymbol iMarkerSymbol;
ISymbol iSymbol;
IRgbColor iRgbColor;

iMarkerSymbol = new SimpleMarkerSymbol();
iMarkerSymbol.Style = esriSimpleMarkerStyle.esriSMSCircle;
iRgbColor = new RgbColor();
iRgbColor.RGB = System.Drawing.Color.FromArgb(0, 0, 0).ToArgb();
iMarkerSymbol.Color = iRgbColor;
iSymbol = (ISymbol)iMarkerSymbol;
iSymbol.ROP2 = esriRasterOpCode.esriROPNotXOrPen;
mapControl.FlashShape(iGeometry, 3, 200, iSymbol);
}