Socket socketWitch = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);                IPAddress ip = IPAddress.Any;                IPEndPoint iep = new IPEndPoint(ip, Convert.ToInt32(txtport.Text));                socketWitch.Bind(iep);//绑定监听端口                socketWitch.Listen(10);//设置监听队列                MesShow("监听成功");                Thread th = new Thread(SocketListen);                th.IsBackground = true;                th.Start(socketWitch);

 

 

public void SocketListen(object sw)        {                        Socket socketWitch = sw as Socket;            while (true)            {                try                {                                        socketSend = socketWitch.Accept();//创建链接循环等待客户端链接                    MesShow(socketSend.RemoteEndPoint.ToString()+"链接成功");                    dic.Add(socketSend.RemoteEndPoint.ToString(), socketSend);                    cobclient.Items.Add(socketSend.RemoteEndPoint);                    Thread th = new Thread(ReceiveStr);                    th.IsBackground = true;                    th.Start(socketSend);                }                catch { }            }        }

 

 

public void ReceiveStr(object ss)        {            while (true)            {                try                {                    Socket socketSend = ss as Socket;                    byte[] by = new byte[1024 * 1024 * 2];                    int i = socketSend.Receive(by);                    if (i == 0)                    {                        break;                    }                    string str = Encoding.UTF8.GetString(by, 0, i);                    MesShow(socketSend.RemoteEndPoint.ToString() + ":" + str);                }                catch                { }            }        }