vs2003 打开可用，其它高版本 暂时无法打开(可参考其逻辑)
using System;using System.Drawing;using System.Collections;using System.ComponentModel;using System.Windows.Forms;using System.Data;using System.Net;using System.Net.Sockets;using System.Threading;namespace ChatServer{/// <summary>/// Summary description for Form1./// </summary>public class ChatServer : System.Windows.Forms.Form{/// <summary>/// Required designer variable./// </summary>private System.ComponentModel.Container components = null;private int listenport = 5555;private TcpListener listener;private System.Windows.Forms.ListBox lbClients;private ArrayList clients;private Thread processor;private Socket clientsocket;private Thread clientservice;public ChatServer(){//// Required for Windows Form Designer support//InitializeComponent();clients = new ArrayList();processor = new Thread(new ThreadStart(StartListening));processor.Start();}/// <summary>/// Clean up any resources being used./// </summary>protected override void Dispose( bool disposing ){if( disposing ){if (components != null) {components.Dispose();}}base.Dispose( disposing );}#region Windows Form Designer generated code/// <summary>/// Required method for Designer support - do not modify/// the contents of this method with the code editor./// </summary>private void InitializeComponent(){this.lbClients = new System.Windows.Forms.ListBox();this.SuspendLayout();// // lbClients// this.lbClients.Font = new System.Drawing.Font("Tahoma", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));this.lbClients.ItemHeight = 16;this.lbClients.Location = new System.Drawing.Point(16, 8);this.lbClients.Name = "lbClients";this.lbClients.Size = new System.Drawing.Size(264, 228);this.lbClients.TabIndex = 0;// // ChatServer// this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);this.ClientSize = new System.Drawing.Size(292, 273);this.Controls.AddRange(new System.Windows.Forms.Control[] { this.lbClients});this.Name = "ChatServer";this.Text = "ChatServer";this.ResumeLayout(false);}#endregionprotected override void OnClosed(EventArgs e){try{for(int n=0; n<clients.Count; n ){Client cl = (Client)clients[n];SendToClient(cl, "QUIT|");cl.Sock.Close();cl.CLThread.Abort();}listener.Stop();if(processor != null)processor.Abort();}catch(Exception ex){Console.WriteLine(ex.ToString() );}base.OnClosed(e);}private void StartListening(){listener = new TcpListener(listenport);listener.Start();while (true) {try{Socket s = listener.AcceptSocket();clientsocket = s;clientservice = new Thread(new ThreadStart(ServiceClient));clientservice.Start();}catch(Exception e){Console.WriteLine(e.ToString() );}}//listener.Stop();}private void ServiceClient(){Socket client = clientsocket;bool keepalive = true;while (keepalive){Byte[] buffer = new Byte[1024];client.Receive(buffer);string clientcommand = System.Text.Encoding.ASCII.GetString(buffer);string[] tokens = clientcommand.Split(new Char[]{'|'});Console.WriteLine(clientcommand);if (tokens[0] == "CONN"){for(int n=0; n<clients.Count; n ) {Client cl = (Client)clients[n];SendToClient(cl, "JOIN|" tokens[1]);}EndPoint ep = client.RemoteEndPoint;//string add = ep.ToString();Client c = new Client(tokens[1], ep, clientservice, client);clients.Add(c);string message = "LIST|" GetChatterList() "\r\n";SendToClient(c, message);//lbClients.Items.Add(c.Name " : " c.Host.ToString());lbClients.Items.Add(c);}if (tokens[0] == "CHAT"){for(int n=0; n<clients.Count; n ){Client cl = (Client)clients[n];SendToClient(cl, clientcommand);}}if (tokens[0] == "PRIV") {string destclient = tokens[3];for(int n=0; n<clients.Count; n ) {Client cl = (Client)clients[n];if(cl.Name.CompareTo(tokens[3]) == 0)SendToClient(cl, clientcommand);if(cl.Name.CompareTo(tokens[1]) == 0)SendToClient(cl, clientcommand);}}if (tokens[0] == "GONE"){int remove = 0;bool found = false;int c = clients.Count;for(int n=0; n<c; n ){Client cl = (Client)clients[n];SendToClient(cl, clientcommand);if(cl.Name.CompareTo(tokens[1]) == 0){remove = n;found = true;lbClients.Items.Remove(cl);//lbClients.Items.Remove(cl.Name " : " cl.Host.ToString());}}if(found)clients.RemoveAt(remove);client.Close();keepalive = false;}} }private void SendToClient(Client cl, string message){try{byte[] buffer = System.Text.Encoding.ASCII.GetBytes(message.ToCharArray());cl.Sock.Send(buffer,buffer.Length,0);}catch(Exception e){cl.Sock.Close();cl.CLThread.Abort();clients.Remove(cl);lbClients.Items.Remove(cl.Name " : " cl.Host.ToString());//MessageBox.Show("Could not reach " cl.Name " - disconnected","Error",//MessageBoxButtons.OK, MessageBoxIcon.Exclamation);}}private string GetChatterList(){string chatters = "";for(int n=0; n<clients.Count; n ){Client cl = (Client)clients[n];chatters = cl.Name;chatters = "|";}chatters.Trim(new char[]{'|'});return chatters;}/// <summary>/// The main entry point for the application./// </summary>[STAThread]static void Main() {Application.Run(new ChatServer());}}}
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