public override void OnNavigatedTo(NavigatedToEventArgs e, Dictionary <string, object> viewModelState) { (App.Current as App).IsHideMenu = true; Window.Current.Dispatcher .RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async() => { await _DicordContext.WaitLoginAction(); LoginProcessStatus.Value = "ログイン完了"; await Task.Delay(TimeSpan.FromSeconds(0)); _NavigationService.Navigate(PageTokens.LandingPageToken, null); _NavigationService.ClearHistory(); (App.Current as App).IsHideMenu = false; }) .AsTask() .ConfigureAwait(false); base.OnNavigatedTo(e, viewModelState); }