protected override void OnNavigatedFrom(NavigationEventArgs e) { base.OnNavigatedFrom(e); } protected override void OnNavigatedTo(NavigationEventArgs e) { base.OnNavigatedTo(e); App app=App.Current as App; if (app.IsFromFavouritePage) { ShowStoryboard.Begin(); app.IsFromFavouritePage = false; MainViewModel mvm = DataContext as MainViewModel; mvm.RingtoneCollection.Clear(); mvm.RingtoneCollection = CheckFavouriteRingtone(app.CollectionOfRingtone, app.CollectionOfRingtone[0].category_ringtone_id.ToString()); ApplicationBar.IsVisible = true; } } private void favListButton_Click(object sender, RoutedEventArgs e) { MainViewModel mvm = DataContext as MainViewModel; App app = App.Current as App; app.CollectionOfRingtone.Clear(); foreach (RingtoneClass aRingtone in mvm.RingtoneCollection) { app.CollectionOfRingtone.Add(aRingtone); }
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