| Overload | Description | 
|---|---|
| AddPolygonToRegion(RasterRegionXForm,Generic RasterCollection,FillMode,RasterRegionCombineMode) | Creates or updates the image region by adding a polygonal region. | 
| AddPolygonToRegion(RasterRegionXForm,Point[],FillMode,RasterRegionCombineMode) | Creates or updates the image region by adding a polygonal region. | 
Target Platforms: Microsoft .NET Framework 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family