/// <summary>
        /// 加载并显示主窗体
        /// </summary>
        /// <param name="form">主窗体</param>
        public static void LoadAndRun(Form form)
        {
            //订阅主窗体的句柄创建事件
            form.HandleCreated += delegate
            {
                //启动新线程来显示Qidong窗体
                new Thread(new ThreadStart(delegate
                {
                    Form_Qidong Qidong = new Form_Qidong();
                    //订阅主窗体的Qidong事件
                    form.Shown += delegate
                    {
                        //通知Qidong窗体关闭自身
                        Qidong.Invoke(new EventHandler(Qidong.KillMe));
                        Qidong.Dispose();
                    };
                    //显示Qidong窗体
                    Application.Run(Qidong);
                })).Start();
            };


            //显示主窗体
            Application.Run(form);
        }
 static void Main()
 {
     Application.EnableVisualStyles();
     Application.SetCompatibleTextRenderingDefault(false);
     //Application.Run(new Form_Qidong());
     //Application.Run(new Form_Main());
     Form_Qidong.LoadAndRun(new Form_Main());
 }