Inheritance: IFileRemovedEventArgs
 private async void OnFileRemoved(FileOpenPickerUI sender, FileRemovedEventArgs args)
 {
     if (args.Id == id)
     {
         await dispatcher.RunAsync(CoreDispatcherPriority.Normal, async () =>
         {
             await new Windows.UI.Popups.MessageDialog("File removed from the basket.").ShowAsync();
             UpdateButtonState(false);
         });
     }
 }
 private async void OnFileRemoved(FileOpenPickerUI sender, FileRemovedEventArgs args)
 {
     // make sure that the item got removed matches the one we added.
     if (args.Id == id)
     {
         // The event handler may be invoked on a background thread, so use the Dispatcher to run the UI-related code on the UI thread.
         await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
         {
             OutputTextBlock.Text = Status.FileRemoved;
             UpdateButtonState(false);
         });
     }
 }
 private void FilePickerUI_FileRemoved(FileOpenPickerUI sender, FileRemovedEventArgs args)
 {
 }