protected override void OnActivated(IActivatedEventArgs e) { base.OnActivated(e); try { if (e.Kind == ActivationKind.ToastNotification) { Library.Activated(e as ToastNotificationActivatedEventArgs); } } catch { } Frame rootFrame = Window.Current.Content as Frame; if (rootFrame == null) { rootFrame = new Frame(); rootFrame.NavigationFailed += OnNavigationFailed; Window.Current.Content = rootFrame; } if (rootFrame.Content == null) { rootFrame.Navigate(typeof(MainPage), e); } Window.Current.Activate(); }