windows C#窗口闪烁的代码

时间:2012-07-04 15:43:16
【文件属性】:
文件名称:windows C#窗口闪烁的代码
文件大小:2KB
文件格式:TXT
更新时间:2012-07-04 15:43:16
C# ''' ''' Element的方式闪烁图元 ''' ''' 选中图元的geometry ''' 选中图元的geometry类型 ''' 该方式就是先加一个element,然后再将之删除,这种方法经过扩展,还可以用于三维闪烁 Sub FlashGeoByElement(ByVal pActiveView As IActiveView, ByVal pGeo As IGeometry, ByVal pGeoType As esriGeometryType) Dim pElement As IElement = Nothing Dim pColor As IColor = New RgbColor pColor.RGB = RGB(255, 0, 0) Select Case pGeoType Case esriGeometryType.esriGeometryPoint Dim pMarSymbol As IMarkerSymbol = New SimpleMarkerSymbol pMarSymbol.Color = pColor pMarSymbol.Size = 10 pElement = New MarkerElement pElement.Geometry = pGeo CType(pElement, IMarkerElement).Symbol = pMarSymbol Case esriGeometryType.esriGeometryPolyline Dim pLineSymbol As ISimpleLineSymbol = New SimpleLineSymbol pLineSymbol.Color = pColor pLineSymbol.Width = 3 pElement = New LineElement pElement.Geometry = pGeo CType(pElement, ILineElement).Symbol = pLineSymbol Case esriGeometryType.esriGeometryPolygon Dim pSimpleFillSymbol As IFillSymbol = New SimpleFillSymbol pSimpleFillSymbol.Outline.Width = 0 pSimpleFillSymbol.Color = pColor pElement = New PolygonElement pElement.Geometry = pGeo CType(pElement, IFillShapeElement).Symbol = pSimpleFillSymbol End Select Dim pG As IGraphicsContainer = pActiveView If pElement IsNot Nothing Then pG.AddElement(pElement, 0) pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, Nothing, Nothing) pActiveView.ScreenDisplay.UpdateWindow() System.Threading.Thread.Sleep(300) pG.DeleteElement(pElement) pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, Nothing, Nothing) End If End Sub

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