anchor.diff:  
       WM_LBUTTONDOWN: If (App.CanReceiveEvents) Then
                       Begin
  +                      {$IFDEF MOUSE_CAPTURE}
                         SetCapture(App.Window.Handle);
  +                      {$ENDIF}
                         App.AddValueEvent(eventMouseDown, keyMouseLeft);
                       End;
   
  
positive.code:     ToggleFullScreen();
  
    ShowCursor(True);
    ReleaseCapture();
  
    If ((_Handle <> 0)And(Not DestroyWindow(_Handle)))Then
    Begin
  
negative.code: 
    ShowCursor(False);
  
    {$IFDEF MOUSE_CAPTURE}
    ReleaseCapture();
    SetCapture(_Handle);
    {$ENDIF}
  
    If (_FullScreen) Then
    Begin
  