private void DeleteButton_Click(object sender, RoutedEventArgs e) { switch (ConfirmDelete.Visibility) { case Visibility.Visible: RoamingSettingsHelper.ClearAllSettings(); LocalSettingsHelper.ClearAllSettings(); App.Current.Exit(); break; case Visibility.Collapsed: ConfirmDelete.Visibility = Visibility.Visible; DeleteButton.Content = "OK!"; break; default: break; } }