This method invalidates an area of the displayed control, causing it to be redrawn.
| Header file: | Afxctl.h |
| Platforms: | H/PC 2.0, H/PC Pro |
| Windows CE versions: | 2.0 and later |
| Complete documentation: | Visual C++ documentation |
void InvalidateControl( LPCRECT lpRect = NULL, BOOL bErase = TRUE);