wxControl* control = wxDynamicCast( gFocusWindow , wxControl ) ;
             if ( control && control->GetMacControl() )
             {
                 UMASetKeyboardFocus( (WindowRef) gFocusWindow->MacGetRootWindow() , (ControlHandle) control->GetMacControl()  , kControlFocusNextPart ) ;
             }
             wxControl* control = wxDynamicCast( gFocusWindow , wxControl ) ;
             if ( control && control->GetMacControl() )
             {
                 UMASetKeyboardFocus( (WindowRef) gFocusWindow->MacGetRootWindow() , (ControlHandle) control->GetMacControl()  , kControlFocusNextPart ) ;
             }