protected override void OnContextCreated(CefBrowser browser, CefFrame frame, CefV8Context context)
        {
            foreach (var kvp in CefRuntimeEx.GetObjects())
            {
                BindingHandler.Bind(kvp.Key, kvp.Value, context.GetGlobal());
            }

            base.OnContextCreated(browser, frame, context);
        }
        protected override void OnWebKitInitialized()
        {
            #region 注册自己.net类库供JS调用
            CefRuntimeEx.RegisterJsObject("exampleObject", new ExampleObject());
            #endregion

            #region 调用自己封装的JS类库
            //CefRuntimeEx.RegisterExtension();
            #endregion

            base.OnWebKitInitialized();
        }