private void onPause(Object sender, Windows.UI.Xaml.Input.TappedRoutedEventArgs e) { if (pause.Visibility == Windows.UI.Xaml.Visibility.Visible) { OnStart.Begin(); pause.Visibility = Windows.UI.Xaml.Visibility.Collapsed; rule.isPause = false; } else { OnPause.Begin(); pause.Visibility = Windows.UI.Xaml.Visibility.Visible; rule.isPause = true; } }