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;
}
