void MainWindow_PageLoadedEvent(object sender, PageLoadedEventArgs e) { }
protected virtual void OnPageLoaded(object sender, PageLoadedEventArgs e) { }
protected override void OnPageLoaded(object sender, PageLoadedEventArgs e) { base.OnPageLoaded(sender, e); }
protected override void OnPageLoaded(object sender, PageLoadedEventArgs e) { base.OnPageLoaded(sender, e); NotifyPropertyChanged(nameof(MyOrder)); }