This method determines whether the top, left, bottom, and right values of CRect are all equal to zero. This method differs from IsRectEmpty, which determines whether the rectangle is empty.
| Header file: | Afxwin.h |
| Platforms: | H/PC 2.0, Palm-size PC, H/PC Pro |
| Windows CE versions: | 1.0 and later |
| Complete documentation: | Visual C++ documentation |
BOOL IsRectNull( ) const;
CRect::IsRectEmpty, CRect::SetRectEmpty