public MainWindow() { InitializeComponent(); HTMLWindow.UseINavigable = true; SetUpRoute(HTMLWindow.NavigationBuilder); var datacontext = new MVVM.ViewModel.Example.ForNavigation.Couple(); var my = new MVVM.ViewModel.Example.ForNavigation.Person() { Name = "O Monstro", LastName = "Desmaisons", Local = new MVVM.ViewModel.Example.Local() { City = "Florianopolis", Region = "SC" } }; my.Couple = datacontext; datacontext.One = my; HTMLWindow.NavigateAsync(datacontext); }