c#FORM服务器客户端UDP通讯实例

代码说明：

服务器客户端UDP广播通话 【核心代码】using System;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.Sockets;using System.Net;namespace NetServer{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button2_Click(object sender, EventArgs e) { this.Close(); } private void Form1_Load(object sender, EventArgs e) { } private void button1_Click(object sender, EventArgs e) { //使用UDP协议发送数据 Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp); //设置端口号 IPEndPoint ieps = new IPEndPoint(IPAddress.Broadcast, 8900); socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, 1); //将发送数据转换为字节数组 byte[] bytess = System.Text.Encoding.Unicode.GetBytes(textBox1.Text); socket.SendTo(bytess, ieps); socket.Close(); } }}