The GetRgnBox function retrieves the bounding rectangle of the specified region.
int GetRgnBox(
| HRGN hrgn, | // handle of a region |
| LPRECT lprc | // address of structure that receives bounding rect. |
| ); |
Parameters
hrgn
Identifies the region.
lprc
Points to a RECT structure that receives the bounding rectangle.
Return Values
The return value specifies the region's complexity. It can be one of the following values:
| Value | Meaning |
| NULLREGION | Region is empty. |
| SIMPLEREGION | Region is a single rectangle. |
| COMPLEXREGION | Region is more than a single rectangle. |
If the hrgn parameter does not identify a valid region, the return value is zero.
See Also