private async void EnsureMainPageActivated(IActivatedEventArgs args, string launchString) { Frame rootFrame = Window.Current.Content as Frame; // Do not repeat app initialization when the Window already has content, // just ensure that the window is active if (rootFrame == null) { // Create a Frame to act as the navigation context and navigate to the first page rootFrame = new Frame(); // Set the default language rootFrame.Language = Windows.Globalization.ApplicationLanguages.Languages[0]; rootFrame.NavigationFailed += OnNavigationFailed; if (args.PreviousExecutionState == ApplicationExecutionState.Terminated) { //TODO: Load state from previously suspended application } // Place the frame in the current Window Window.Current.Content = rootFrame; } if (rootFrame.Content == null) { // When the navigation stack isn't restored navigate to the first page, // configuring the new page by passing required information as a navigation // parameter rootFrame.Navigate(typeof(MainPage), launchString); } // Ensure the current window is active Window.Current.Activate(); #if WINDOWS_APP SettingsFlyoutHelper flyoutHelper = new SettingsFlyoutHelper(); flyoutHelper.Register(); await this.EnableSearch(); #endif }