public MainPage() { this.InitializeComponent(); this.NavigationCacheMode = Windows.UI.Xaml.Navigation.NavigationCacheMode.Enabled; _msg = App.Container.GetInstance<MessengerService>(); _msg.Register<Geopoint>(this, "PositionChanged", x => DrawPositionChanged(x)); _msg.Register<IEnumerable<Directory>>(this, "NearbySchoolsChanged", x => DrawNearbySchoolsChanged(x)); }