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This function changes a region into a rectangular region with the specified coordinates.
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.
Requirements
Runs on Versions Defined in Include Link to Windows CE OS 2.0 and later Wingdi.h Mgrgn.lib Note This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.
See Also