public static async Task <bool> OpenNewWindowAsync(Type page) { var currentAV = ApplicationView.GetForCurrentView(); Window newWindow = null; var newAV = CoreApplication.CreateNewView(); bool result = false; await newAV.Dispatcher.RunAsync( CoreDispatcherPriority.Normal, async() => { newWindow = Window.Current; var newAppView = ApplicationView.GetForCurrentView(); newAV.CoreWindow.Closed += (a, b) => CoreApplication.DecrementApplicationUseCount(); CoreApplication.IncrementApplicationUseCount(); newAppView.SetPreferredMinSize(new Size(360, 500)); newWindow.Activate(); await Task.Yield(); var frame = new Frame(); frame.Navigate(page); newWindow.Content = frame; result = await ApplicationViewSwitcher.TryShowAsStandaloneAsync(newAppView.Id, ViewSizePreference.Custom, currentAV.Id, ViewSizePreference.Custom); }); return(result); }