C#线程，小例子

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Threading;

namespace threadtest
{
    public partial class MainPanel : Form
    {
        public Thread m_thread;


        public MainPanel()
        {
            InitializeComponent();
           

        }

        private void threadBtn_Click(object sender, EventArgs e)
        {
            if((this.threadBtn.Text).Equals("启动")){
               m_thread = new Thread(new ThreadStart(Worker));
                //传递的是一个线程的入口函数
                m_thread.Start();
                Control.CheckForIllegalCrossThreadCalls = false;
                 //让控件能和线程交流
           }
            else{
                m_thread.Abort();
                this.threadBtn.Text = "启动";
            }

        }

        private void Worker()
        {
            //for (int i = 0; i < 50;i++ )
            int i = 0;
            while(true)
            {
                this.threadBtn.Text = Convert.ToString(i);
                Thread.Sleep(200);
                i++;
            }
        }

    }
}