CWindow::Invalidate
Invalidates the entire client area.
BOOL Invalidate(
BOOL bErase = TRUE
) throw();
Remarks
See InvalidateRect in the Windows SDK.
Passes NULL for the RECT parameter to the InvalidateRect Win32 function.
Example
//The following example attaches an HWND to the CWindow object and
//calls CWindow::Invalidate() to invalidate the entire client area
CWindow myWindow;
myWindow.Attach(hWnd);
myWindow.Invalidate();
Requirements
Header: atlwin.h