BOOL IsRectEmpty(lpRect)
This function determines whether or not the specified rectangle is empty. A rectangle is empty if the width and/or height are zero.
| Parameter | Type/Description |
| lpRect | LPRECT Points to a RECT data structure that contains the specified rectangle. |
The return value specifies whether or not the given rectangle is empty. It is nonzero if the rectangle is empty. It is zero if the rectangle is not empty.