The CreateRectRgn function creates a rectangular region.
HRGN CreateRectRgn(
| int nLeftRect, | // x-coordinate of region's upper-left corner |
| int nTopRect, | // y-coordinate of region's upper-left corner |
| int nRightRect, | // x-coordinate of region's lower-right corner |
| int nBottomRect | // y-coordinate of region's lower-right corner |
| ); |
Parameters
nLeftRect
Specifies the x-coordinate of the upper-left corner of the region.
nTopRect
Specifies the y-coordinate of the upper-left corner of the region.
nRightRect
Specifies the x-coordinate of the lower-right corner of the region.
nBottomRect
Specifies the y-coordinate of the lower-right corner of the region.
Return Values
If the function succeeds, the return value is the handle to the region.
If the function fails, the return value is NULL.
Remarks
The region will be exclusive of the bottom and right edges.
See Also
CreateRectRgnIndirect, CreateRoundRectRgn, DeleteObject, SelectObject