using System;

using System.Collections;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using System.Net;

using System.Net.Sockets;

using System.Collections.Specialized;

using System.Threading;



namespace SocketServer

{

    public partial class frmMain : Form

    {

        static int count = 0;

        static int recvCount = 0;



        public frmMain()

        {

            InitializeComponent();

        }



        private delegate void ShowMsgHandler(string msg);



        IList<Socket> clientList = new List<Socket>();

        Dictionary<Socket, System.Threading.Timer> clientArray = new Dictionary<Socket, System.Threading.Timer>();



        private void ShowMsg(string msg)

        {

            if (!txtContent.InvokeRequired)

            {

                txtContent.Text = msg + Environment.NewLine + txtContent.Text;

            }

            else

            {

                ShowMsgHandler handler = new ShowMsgHandler(ShowMsg);

                BeginInvoke(handler, new object[] { msg });

            }



        }



        private void btnStartServer_Click(object sender, EventArgs e)

        {

            IPAddress[] localIPs;

            localIPs = Dns.GetHostAddresses(Dns.GetHostName());

            StringCollection IpCollection = new StringCollection();

            foreach (IPAddress ip in localIPs)

            {

                if (ip.AddressFamily == AddressFamily.InterNetwork) //如果为IPv4

   &nb