HRESULT SetHWnd(DWORD dwFlags, HWND hWnd);
Sets the hWnd that will obtain the clipping information.
·Returns DD_OK if successful, or one of the following error values otherwise:
DDERR_INVALIDOBJECT DDERR_INVALIDPARAMS
DDERR_INVALIDCLIPLIST DDERR_OUTOFMEMORY
dwFlags
This parameter is not used at this time and must be set to 0.
hWnd
The hWnd that obtains the clipping information.