CRect::IsRectNull

Call this member function to determine whether the top, left, bottom, and right values of CRect are all equal to zero. This function differs from IsRectEmpty, which determines whether the rectangle is empty.

Syntax

BOOL IsRectNull( ) const;

At a Glance

Header file: Afxwin.h
Platforms:
Versions: 1.0 and later
Complete documentation: Visual C++ documentation

See Also

CRect Overview, CRect Member Functions, Simple Value Types, CRect::IsRectEmpty, CRect::SetRectEmpty