mes-client/UAS_Web/tool/MenuHandler.cs

using CefSharp;

namespace UAS_Web.tool
{
    class MenuHandler : IContextMenuHandler
    {
        public void OnBeforeContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, IMenuModel model)
        {
            model.Clear();
            model.AddItem(CefMenuCommand.Copy, "复制");
            model.AddItem(CefMenuCommand.Paste, "粘贴");
            model.AddItem(CefMenuCommand.ReloadNoCache, "重新加载");
        }

        public bool OnContextMenuCommand(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, CefMenuCommand commandId, CefEventFlags eventFlags)
        {
            return false;
        }

        public void OnContextMenuDismissed(IWebBrowser browserControl, IBrowser browser, IFrame frame)
        {

        }

        public bool RunContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, IMenuModel model, IRunContextMenuCallback callback)
        {
            return false;
        }
    }
}