#region +++++++++++++++++++++++服务器的感觉系统
        //启动记时器
        public void LoadTheTimer()
        { 
            object o=(object)loginedCount++;
            UserPassport up = new UserPassport();

            //暂时设定为1秒钟启动一次！
            System.Threading.Timer t = new System.Threading.Timer(new System.Threading.TimerCallback(watchTheLoginUser), o, 1000, 1000);            
                   }

        //启动监视"已登录用户通信情况"的线程
        public void watchTheLoginUser(object o)
        {
            //UserPassport up=new UserPassport();
            Thread checktheloginuser = new Thread(new ThreadStart(iAmAWatcher));
            checktheloginuser.Start();
        }

        //真正做事的工人:这个工人的使命是每隔1秒钟后就查看一下登记薄registry里面有谁没有定时来向服务器报到了，如果出现谁三次检查都没有签到则除之名
        public void iAmAWatcher()
        {
            this.txtLogin.Text += "@+";
            int index = 0;
            for (index = 0; index < loginedCount; index++)
            {
                if (myRegistry[index].alive==false&&registry[index].studentID!="")
                {
                    lock(this)
                    {
                        myRegistry[index].no_check_in_count += 1;           //坏（未到）记录增加一次                   
                        if (myRegistry[index].no_check_in_count >= 3)
                        {
                            //this.lblShowMsg.Text = "the student" + registry[index].studentID.ToString() + "is diaoxianle!";
                            this.txtLogin.Text += "88";
                            //标记该人已经与服务器失去连接了，因为他有连续3次的未到记录存在
                            registry[index].studentID = "";
                            registry[index].StudentName = "";
                            registry[index].StudentIP = "";
                            registry[index].status = 2;      //掉线
                           
                        }
                    }
                }

            }
        }//定时检查在线人目前状态
        #endregion +++++++++++++++++++服务器的感觉系统