Code-Beispiel: OList

OList(BoxA, SELECT_MULTIPLE, x, y, w, h)
   [ INITIALIZE: ... SetFormat 
   ]
   OList(BoxB, x, y, w, h)
   [ INITIALIZE: ... SetFormat 
   ]
   Button(b1, x, y, "->")
   [ SELECT:  ClearObox(, BoxB)
                GetObject 
                FillObox(, BoxB)
   ]