IDirectDrawClipper::IsClipListChanged
HRESULT IsClipListChanged(BOOL FAR * lpbChanged);
Monitors the status of the clip list if an hWnd is associated with a DirectDrawClipper.
·Returns DD_OK if successful, or one of the following error values otherwise:
DDERR_INVALIDOBJECT DDERR_INVALIDPARAMS
lpbChanged
Address of a Boolean value set to TRUE if the clip list has changed.