/// <summary> /// Invoked when this page is about to be displayed in a Frame. /// </summary> /// <param name="e">Event data that describes how this page was reached. The Parameter /// property is typically used to configure the page.</param> protected override void OnNavigatedTo(NavigationEventArgs e) { WindowsRTEngine.StartEngine(); EngineMessage += new EngineMessageHandler(AppendMessage); DispatcherTimer dt = new DispatcherTimer(); dt.Interval = new TimeSpan(0, 0, 0, 0, 500); dt.Tick += MessageUpdate; dt.Start(); }