This function changes a region into a rectangular region with the specified coordinates.
At a Glance
Header file: | Wingdi.h |
Windows CE versions: | 2.0 and later |
Syntax
BOOL SetRectRgn( HRGN hrgn, int nLeftRect, int nTopRect, int nRightRect, int nBottomRect);
Parameters
hrgn
[in] Handle to the region.
nLeftRect
[in] Specifies the x-coordinate of the upper-left corner of the rectangular region.
nTopRect
[in] Specifies the y-coordinate of the upper-left corner of the rectangular region.
nRightRect
[in] Specifies the x-coordinate of the lower-right corner of the rectangular region.
nBottomRect
[in] Specifies the y-coordinate of the lower-right corner of the rectangular region.
Return Values
Nonzero indicates success. Zero indicates failure. To get extended error information, call GetLastError.
Remarks
The region does not include the lower and right boundaries of the rectangle.
See Also