private void OnFrameNavigated(object sender, Navigation.NavigationEventArgs e) { if (Frame.CanGoBack) { _currentView.AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible; } }
private void OnNavigated(object sender, NavigationEventArgs e) { // Each time a navigation event occurs, update the Back button's visibility SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = ((Frame)sender).CanGoBack ? AppViewBackButtonVisibility.Visible : AppViewBackButtonVisibility.Collapsed; }