CWnd::UnlockWindowUpdate
Call this member function to unlock a window that was locked with CWnd::LockWindowUpdate.
void UnlockWindowUpdate();
Заметки
Only one window at a time can be locked using LockWindowUpdate. See CWnd::LockWindowUpdate or the Win32 function LockWindowUpdate for more information on locking windows.
Требования
Header: afxwin.h