public override void OnBeforeContextMenu(IWebBrowser chromiumWebBrowser, IBrowser browser, IFrame frame, IContextMenuParams parameters, IMenuModel model)
        {
            int count = 0;

            if (!string.IsNullOrWhiteSpace(parameters.SelectionText))
            {
                model.InsertItemAt(0, Search, "menu_search");
                count++;
            }
            if (!string.IsNullOrWhiteSpace(parameters.LinkUrl))
            {
                model.InsertCheckItemAt(0, OpenInNewWindow, "menu_openInNewWindow");
                count++;
            }

            if (count > 0)
            {
                model.InsertSeparatorAt(count);
            }
        }