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CreateRectRgn

This function creates a rectangular region.

HRGN CreateRectRgn( 
int nLeftRect, 
int nTopRect, 
int nRightRect, 
int nBottomRect
);

Parameters

  • nLeftRect
    [in] Specifies the x-coordinate of the upper-left corner of the region.
  • nTopRect
    [in] Specifies the y-coordinate of the upper-left corner of the region.
  • nRightRect
    [in] Specifies the x-coordinate of the lower-right corner of the region.
  • nBottomRect
    [in] Specifies the y-coordinate of the lower-right corner of the region.

Return Values

The handle to the region indicates success. NULL indicates failure. To get extended error information, call GetLastError.

Remarks

The region will be exclusive of the bottom and right edges.

Windows CE represents regions using 16-bit values.

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

CreateRectRgnIndirect, GetLastError

 Last updated on Tuesday, July 13, 2004

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