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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| Yes
| Import Library
| user32.lib
| Header File
| winuser.h
| Unicode
| No
| Platform Notes
| None
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IsRectEmpty
The
IsRectEmpty function determines whether the specified rectangle is empty. A empty
rectangle is one that has no area; that is, the coordinate of the right side is less
than or equal to the coordinate of the left side, or the coordinate of the
bottom side is less than or equal to the coordinate of the top side.
BOOL IsRectEmpty(
CONST RECT *lprc
| // address of structure with rectangle
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);
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Parameters
lprc
Points to a
RECT structure that contains the logical coordinates of the rectangle.
Return Values
If the rectangle is empty, the return value is nonzero.
If the rectangle is not empty, the return value is zero. To get extended error
information, call
GetLastError.
See Also
EqualRect,
PtInRect,
RECT
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