Drawing region support component of the gwes module.
Functions
This component includes the following functions:
| CombineRgn |
| CreateRectRgn |
| CreateRectRgnIndirect |
| ExcludeClipRect |
| GetClipBox |
| GetClipRgn |
| GetRegionData |
| GetRgnBox |
| IntersectClipRect |
| OffsetRgn |
| PtInRegion |
| RectInRegion |
| RectVisible |
| SelectClipRgn |
| SetRectRgn |