参考：
http://msdn.microsoft.com/zh-cn/library/ms171728(VS.80).aspx
Server 端：
Form1.CS：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using System.Threading;
namespace socketandthreadserver
{
public partial class Form1 : Form
{
public Thread mythread;
public Socket socket;
delegate void SetTextCallback(string text);
public Form1()
{
InitializeComponent();
}
public static IPAddress GetServerIP()
{
//IPHostEntry ieh = Dns.GetHostByName(Dns.GetHostName());
IPHostEntry ieh = Dns.GetHostEntry("127.0.0.1");
return ieh.AddressList[0];
}
private void BeginListen()
{
IPAddress ServerIp = GetServerIP();
IPEndPoint iep = new IPEndPoint(ServerIp, 8000);
socket = new
Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
byte[] byteMessage = new byte[100];
//this.label1.Text = iep.ToString();
socket.Bind(iep);
while (true)
{
try
{
socket.Listen(5);
Socket newSocket = socket.Accept();
newSocket.Receive(byteMessage);
string sTime = DateTime.Now.ToShortTimeString();
string msg = sTime + ":" + "Message from:";
msg += newSocket.RemoteEndPoint.ToString() + Encoding.Default.GetString(byteMessage);
//this.listBox1.Items.Add(msg);
//this.SetText(msg);
this.SetListBox(msg);
}
catch (SocketException ex)
{
this.label1.Text += ex.ToString();
}
}
}
private void button1_Click(object sender, EventArgs e)
{
try
{
mythread = new Thread(new ThreadStart(BeginListen));
mythread.Start();
}
catch (System.Exception er)
{
MessageBox.Show(er.Message, "完成", MessageBoxButtons.OK, MessageBoxIcon.Stop);
}
}
private void SetListBox(string text)
{
if (this.listBox1.InvokeRequired)
{
SetTextCallback d = new SetTextCallback(SetListBox);
this.Invoke(d, new object[] { text });
}
else
{
this.listBox1.Items.Add(text);
}
}
private void SetText(string text)
{
// InvokeRequired required compares the thread ID of the
// calling thread to the thread ID of the creating thread.
// If these threads are different, it returns true.
if (this.textBox1.InvokeRequired)
{
SetTextCallback d = new SetTextCallback(SetText);
this.Invoke(d, new object[] { text });
}
else
{
this.textBox1.Text = text;
}
}
}
}
Form1.Designer.cs:
namespace socketandthreadserver
{
partial class Form1
{
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
/// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
protected override void Dispose(bool disposing)
{
try
{
socket.Close();//释放资源
mythread.Abort();//中止线程
}
catch { }
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows 窗体设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 - 不要
/// 使用代码编辑器修改此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.label1 = new System.Windows.Forms.Label();
this.button1 = new System.Windows.Forms.Button();
this.listBox1 = new System.Windows.Forms.ListBox();
this.textBox1 = new System.Windows.Forms.TextBox();
this.SuspendLayout();
//
// label1
//
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(12, 23);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(41, 12);
this.label1.TabIndex = 0;
this.label1.Text = "label1";
//
// button1
//
this.button1.Location = new System.Drawing.Point(14, 160);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(75, 23);
this.button1.TabIndex = 1;
this.button1.Text = "button1";
this.button1.UseVisualStyleBackColor = true;
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// listBox1
//
this.listBox1.FormattingEnabled = true;
this.listBox1.ItemHeight = 12;
this.listBox1.Location = new System.Drawing.Point(102, 12);
this.listBox1.Name = "listBox1";
this.listBox1.Size = new System.Drawing.Size(261, 40);
this.listBox1.TabIndex = 2;
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(102, 67);
this.textBox1.Multiline = true;
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(261, 116);
this.textBox1.TabIndex = 3;
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(388, 266);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.listBox1);
this.Controls.Add(this.button1);
this.Controls.Add(this.label1);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.ListBox listBox1;
private System.Windows.Forms.TextBox textBox1;
}
}
Program.cs:
using System;
using System.Collections.Generic;
using System.Windows.Forms;
namespace socketandthreadserver
{
static class Program
{
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
}
}
}
Client：
Form1.cs：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
namespace socketandthreadclient
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
BeginSend();
}
private void BeginSend()
{
string ip = this.txtip.Text;
string port = this.txtport.Text;
IPAddress serverIp = IPAddress.Parse(ip);
int serverPort = Convert.ToInt32(port);
IPEndPoint iep = new IPEndPoint(serverIp, serverPort);
byte[] byteMessage;
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.Connect(iep);
byteMessage = Encoding.ASCII.GetBytes(textBox1.Text);
socket.Send(byteMessage);
socket.Shutdown(SocketShutdown.Both);
socket.Close();
}
}
}
Form1.Designer.cs:
namespace socketandthreadclient
{
partial class Form1
{
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
/// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows 窗体设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 - 不要
/// 使用代码编辑器修改此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.txtip = new System.Windows.Forms.TextBox();
this.txtport = new System.Windows.Forms.TextBox();
this.textBox1 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// txtip
//
this.txtip.Location = new System.Drawing.Point(12, 3);
this.txtip.Name = "txtip";
this.txtip.Size = new System.Drawing.Size(100, 21);
this.txtip.TabIndex = 0;
//
// txtport
//
this.txtport.Location = new System.Drawing.Point(118, 3);
this.txtport.Name = "txtport";
this.txtport.Size = new System.Drawing.Size(100, 21);
this.txtport.TabIndex = 1;
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(12, 30);
this.textBox1.Multiline = true;
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(268, 161);
this.textBox1.TabIndex = 2;
//
// button1
//
this.button1.Location = new System.Drawing.Point(12, 206);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(75, 23);
this.button1.TabIndex = 3;
this.button1.Text = "button1";
this.button1.UseVisualStyleBackColor = true;
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(292, 266);
this.Controls.Add(this.button1);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.txtport);
this.Controls.Add(this.txtip);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.TextBox txtip;
private System.Windows.Forms.TextBox txtport;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Button button1;
}
}
Program.cs:
using System;
using System.Collections.Generic;
using System.Windows.Forms;
namespace socketandthreadclient
{
static class Program
{
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
}
}
}