public MainViewModel() { EnsureQuizCanBeLoaded(); _welcomePage = new WelcomePage(this); _allocationGamePage = new AllocationGamePage(this); _performanceGamePage = new PerformanceGamePage(this); _endPage = new EndPage(this); _allocationGamePage.NextPage = _endPage; _performanceGamePage.NextPage = _endPage; _endPage.NextPage = _welcomePage; CurrentPage = _welcomePage; }