This overview is not available for this release.
When it is complete, the overview will discuss the following functions:
| Function | Description |
| ExcludeClipRect | Changes clipping region, excluding rectangle |
| ExtSelectClipRgn | Selects a region as a clip region |
| GetBoundsRect | Returns current accumulated bounding rectangle |
| GetClipBox | Retrieves rectangle for clipping region |
| GetClipRgn | Returns current clipping region |
| GetMetaRgn | Returns current meta region |
| GetWindowRgn | Returns window clipping region |
| IntersectClipRect | Creates clipping region from intersection |
| OffsetClipRgn | Moves a clipping region |
| PtVisible | Queries whether point is within clipping region |
| RectVisible | Queries whether rectangle is in clip region |
| SelectClipRgn | Selects clipping region for device context |
| SetBoundsRect | Controls bounding-rectangle accumulation |
| SetMetaRgn | Selects the clip region as a meta region |