private void NavigationService_CanGoBackChanged(object sender, CanGoBackChangedHandlerArgs args) { bool newCanGoBack = args.NewCanGoBack; if (newCanGoBack && AllowGoingBack) { _systemNavManager.AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible; } else { _systemNavManager.AppViewBackButtonVisibility = AppViewBackButtonVisibility.Collapsed; } }
private void navHost_CanGoBackChanged(object sender, CanGoBackChangedHandlerArgs e) { CanGoBackChanged?.Invoke(sender, e); }