Esempi in C# (CSharp) per ItemDisappearingEventArgs

Esempio n. 1

 private async void PhotoCarousel_OnItemDisappearing(CardsView view, ItemDisappearingEventArgs args)
 {
     if (view.CurrentView != null)
     {
         CachedImage ciView = (CachedImage)view.CurrentView.FindByName("CardCachedImage");
         if (ciView != null)
         {
             if (ciView.Behaviors.Any() && ciView.Behaviors[0] is MultiTouchBehavior mtb)
             {
                 await mtb.OnDisAppearing();
             }
         }
     }
 }

Esempio n. 2

File: ListViewBehavior.cs Progetto: SyncfusionExamples/How-to-autofit-the-content-based-on-the-property-change-in-xamarin.forms-listview-using-MVVM

 private void OnItemDisappearing(object sender, ItemDisappearingEventArgs e)
 {
     (e.ItemData as BookInfo).PropertyChanged -= OnPropertyChanged;
 }