private async void CreateView_Click(object sender, RoutedEventArgs e)
{
ViewLifeTimeControl viewControl = null;
await CoreApplication.CreateNewView().Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
viewControl = ViewLifeTimeControl.CreateForCurrentView();
viewControl.Title = DEFAULT_TITLE;
viewControl.StartViewInUse();
Frame frame = new Frame();
frame.Navigate(typeof(SecondaryViewPage), viewControl);
Window.Current.Content = frame;
Window.Current.Activate();
ApplicationView.GetForCurrentView().Title = viewControl.Title;
});
((App)App.Current).SecondaryViews.Add(viewControl);
}
