anchor.diff:      method lbMuStrs_MouseDoubleClick(sender: Object; e: System.Windows.Input.MouseButtonEventArgs);
       method MuStringChanged(const aNewString: String);
       method RuleModeChanged(const aNewRuleMode: TRuleMode);
  -
  +    method HistorySelectionChanged(sender: System.Object; e: SelectionChangedEventArgs);
  +    method BuildLocalizedApplicationBar;
  +    method HistoryMouseEnter(sender: System.Object; e: System.Windows.Input.MouseEventArgs);
  +    method appBarCancelBtnClick(sender: Object; e: EventArgs);
  +    method appBarApplyBtnClick(sender: Object; e: EventArgs);
     public
  -    // Constructor
  -    constructor ;
  -
  -  private
  -    //frandom : Random := new Random();
  -    // Sample code for building a localized ApplicationBar
  -    method BuildLocalizedApplicationBar;
  +    constructor;
     end;
   
   
  
positive.code:   end;
  end;
  
  end.
negative.code:   // Set the page's ApplicationBar to a new instance of ApplicationBar.
    ApplicationBar := new ApplicationBar();
  
    var appBarApplyBtn: ApplicationBarIconButton := new ApplicationBarIconButton(new Uri('/Assets/AppBar/appbar.add.rest.png', UriKind.Relative));
    appBarApplyBtn.Text := AppResources.AppBarApplyText;
    appBarApplyBtn.Click += appBarApplyBtnClick;
    
    var appBarCancelBtn: ApplicationBarIconButton := new ApplicationBarIconButton(new Uri('/Assets/AppBar/appbar.add.rest.png', UriKind.Relative));
    appBarCancelBtn.Text := AppResources.AppBarCancelText;
    appBarCancelBtn.Click += appBarCancelBtnClick;
    
    ApplicationBar.Buttons.Add(appBarApplyBtn);
    ApplicationBar.Buttons.Add(appBarCancelBtn);
  
    ApplicationBar.IsVisible := False;
  
    // Create a new menu item with the localized string from AppResources.
  