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SetRectRgn

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

GetLastError, RectVisible

 Last updated on Tuesday, July 13, 2004

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