... oWndChild:hWnd, oWnd:oWndClient:hWnd ) Please let us know the results, thanks :-) Yes, correct, I use: SetParent( oWndChild:hWnd, oWndParent:oWndClient:hWnd ) Maybe it's simpler to modify MDIChild.prg class to accept menu? It looks like SetParent() also does not add ...