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4/8/2010

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.

Syntax 

BOOL IsRectEmpty(
  const RECT* 
lprc
);

Parameters

lprc

Long pointer to a RECTstructure that contains the logical coordinates of the rectangle.

Return Value

Nonzero indicates that the rectangle is empty.

Zero indicates that the rectangle is not empty.

To get extended error information, call GetLastError.

Requirements

Header winuser.h
Library Rectapi.lib
Windows Embedded CE Windows CE 1.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also

Reference

EqualRect
PtInRect
RECT