/// <summary> /// Creates the navigation service. /// </summary> /// <param name="rootFrame">The root frame.</param> /// <param name="sessionStateService">The session state service.</param> /// <returns>The initialized navigation service.</returns> private INavigationService CreateNavigationService(IFrameFacade rootFrame, ISessionStateService sessionStateService) { var navigationService = new FrameNavigationService(rootFrame, GetPageType, sessionStateService); return navigationService; }