Call this member function to copy the update region into a region identified by pRgn. The coordinates of the update region are relative to the upper-left corner (client coordinates).
int GetUpdateRgn ( CRgn* pRgn, BOOL bErase = FALSE );
Header File | Afxwin.h |
Platforms | |
Versions | 1.0 and later |
Complete documentation | Visual C++ documentation |
Windows CE ignores the bErase parameter, and does not erase the window's background or do any drawing.
CWnd Overview, CWnd Member Functions, Window Class Categories, CWnd::BeginPaint