/// <summary> /// Preserves state associated with this page in case the application is suspended or the /// page is discarded from the navigation cache. Values must conform to the serialization /// requirements of <see cref="SuspensionManager.SessionState"/>. /// </summary> /// <param name="navigationParameter">The parameter value passed to /// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested. /// </param> /// <param name="sender">The source of the event; typically <see cref="NavigationHelper"/></param> /// <param name="e">Event data that provides an empty dictionary to be populated with /// serializable state.</param> private void navigationHelper_SaveState(object sender, SaveStateEventArgs e) { if (this.itemsViewSource.View != null) { //var selectedItem = (Data.SampleDataItem)this.itemsViewSource.View.CurrentItem; var selectedItem = this.itemsViewSource.View.CurrentItem; // if (selectedItem != null) e.PageState["SelectedItem"] = selectedItem.UniqueId; } }
protected virtual void NavigationHelper_SaveState(object sender, SaveStateEventArgs e) { }