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;

using System.Net.Sockets;

using System.Threading;

using System.IO;

using System.Xml;



namespace UDPTest2_2

{

    public partial class Form1 : Form

    {

        Thread thread;



        public Form1()

        {

            InitializeComponent();

        }



        private void Form1_Load(object sender, EventArgs e)

        {

            Form1.CheckForIllegalCrossThreadCalls = false;      //不可在多线程中使用

            thread = new Thread(new ThreadStart(ReceiveDataFromUDPClient));     //调用类

            thread.IsBackground = true;     //是否结束线程

            thread.Start();     //开始运行

        }

        public void ReceiveDataFromUDPClient()

        {

            try{

            while (true)

            {

                XmlDocument doc = new XmlDocument();        //调用XML

                doc.Load("XMLFile1.xml");       //指定Xml文件路径

                XmlNode node;              //读取节点

                node = doc.SelectSingleNode("//Config/SvcInfo/SvcPort/text()");     //读取XML节点

                string svcPort = node.Value;        //定义节点数值

                if (svcPort.Length > 0)            //当对象>0时，执行程序

                {

                    UdpClient udpClient = new UdpClient(int.Parse(svcPort));     //实例化一个对象

       &n