public MainPage()
        {
            this.InitializeComponent();
            var app = Application.Current as App;

            myRootView.ReactNativeHost = app.Host;
            myRootView.ComponentName   = "RNTesterApp";


            var handler = new CommandHandler();

            handler.BindOperation("DumpVisualTree", DumpVisualTree);

            var server = new Server(handler);
            var tsk    = LoopServer(server);
        }