protected override void OnNavigatedTo(NavigationEventArgs e) { base.OnNavigatedTo(e); SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible; if (e.Parameter is Categorias) { Categorias c = (Categorias)e.Parameter; PageName = EnumHelper.GetEnumDescription(c); switch (c) { case Categorias.Salgados: Itens.ItemsSource = Tipo.GetByCategory(Categorias.Salgados); break; case Categorias.Doces: Itens.ItemsSource = Tipo.GetByCategory(Categorias.Doces); break; default: break; } } }