void navigationHelper_SaveState(object sender, SaveStateEventArgs e) { var vm = DataContext as MainViewModel; if (vm == null) return; var band = vm.ConnectedBand; if (band == null) return; e.PageState.Add("ConnectedBand", band.Info.Name); }
/// <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="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) { }