This function determines whether the specified rectangle is empty. An 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.
At a Glance
| Header file: | Winuser.h |
| Windows CE versions: | 1.0 and later |
Syntax
BOOL IsRectEmpty(const RECT *lprc);
Parameters
lprc
Long pointer to a RECT structure that contains the logical coordinates of the rectangle.
Return Values
Nonzero indicates that the rectangle is empty. Zero indicates that the rectangle is not empty. To get extended error information, call GetLastError.
See Also