PrivateSub test()Sub test() Dim pSymbol As ISymbol = CreateFillSymbol() Dim pFSE As IFillShapeElement =New PolygonElement pFSE.Symbol = pSymbol Dim pEle As IElement = pFSE pEle.Geometry = pPolygon pContainer.AddElement(pFSE, 0) pSymbol =Nothing End Sub PrivateFunction CreateFillSymbol()Function CreateFillSymbol() As ISimpleFillSymbol Dim pLineSym As ISimpleLineSymbol = CreateLineSymbol() Dim pSym As ISimpleFillSymbol =New SimpleFillSymbol With pSym .Style = esriSimpleFillStyle.esriSFHollow .OutLine = pLineSym EndWith pLineSym =Nothing Return pSym End Function PrivateFunction CreateLineSymbol()Function CreateLineSymbol() As ISimpleLineSymbol Dim pColor As IColor =New RgbColor() pColor.RGB =RGB(255, 0, 0) Dim pLineSym As ISimpleLineSymbol =New SimpleLineSymbol pLineSym.Color = pColor pLineSym.Width =0.1 pColor =Nothing Return pLineSym End Function