TcxRegionOperation Enum
Enumerates combine operations applicable to window regions.
Declaration
TcxRegionOperation = (
roSet,
roAdd,
roSubtract,
roIntersect
);
Members
Name |
---|
roSet
|
roAdd
|
roSubtract
|
roIntersect
|
Remarks
Options include:
Value | Description |
---|---|
roSet | Replaces the current region with a specified source region. This value maps to the RGN_COPY constant. |
roAdd | Joins two window regions. This value maps to the RGN_OR constant. |
roSubtract | Shrinks the current window region down to a difference between the current and source regions. This value maps to the RGN_DIFF constant. |
roIntersect | Shrinks the current window region down to an intersection between the current and source regions. This value maps to the RGN_ADD constant. |
The TcxCanvas.SetClipRegion and TcxRegion.Combine procedures accept a TcxRegionOperation value.
See Also