LayoutFarm.Demo_MultiLineText_WithSuggestionPopupWin.OnStartDemo C# (CSharp) Méthode

        protected override void OnStartDemo(SampleViewport viewport)
        {
            textbox = new LayoutFarm.CustomWidgets.TextBox(400, 300, true);
            textbox.SetLocation(20, 20);
            var textSplitter = new CustomWidgets.ContentTextSplitter();
            textbox.TextSplitter = textSplitter;
            sgBox = new SuggestionWindowMx(300, 200);
            sgBox.UserConfirmSelectedItem += new EventHandler(sgBox_UserConfirmSelectedItem);
            sgBox.ListItemKeyboardEvent += new EventHandler<UIKeyEventArgs>(sgBox_ListItemKeyboardEvent);
            sgBox.Hide();
            //------------------------------------
            //create special text surface listener
            var textSurfaceListener = new LayoutFarm.Text.TextSurfaceEventListener();
            textSurfaceListener.CharacterAdded += (s, e) => UpdateSuggestionList();
            textSurfaceListener.CharacterRemoved += (s, e) => UpdateSuggestionList();
            textSurfaceListener.PreviewArrowKeyDown += new EventHandler<Text.TextDomEventArgs>(textSurfaceListener_PreviewArrowKeyDown);
            textSurfaceListener.PreviewEnterKeyDown += new EventHandler<Text.TextDomEventArgs>(textSurfaceListener_PreviewEnterKeyDown);
            textbox.TextEventListener = textSurfaceListener;
            //------------------------------------ 

            viewport.AddContent(textbox);
            viewport.AddContent(sgBox.GetPrimaryUI());
            //------------------------------------ 
            BuildSampleCountryList();
        }