在线程中修改窗体控件内容

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 WindowsApplication2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
   
        //定义更新控件的方法
        public void updateLabel(string s)
        {

            this.label1.Text = s;
            this.label1.Refresh();         
        }

        //定义委托
        public delegate void dh(string s);
       
        //定义线程要调用的方法
        public void threadUpdate()
        {
            //实现委托
            dh dh1 = new dh(updateLabel);
            while (true)
            {
                this.label1.Invoke(dh1, new object[] { "当前时间:"+DateTime.Now.ToString()+"."+DateTime.Now.Millisecond });
            }
        }

        //定义线程,并在线程中更新控件的内容
        Thread thd;
        private void button1_Click(object sender, EventArgs e)
        {
            thd = new Thread(new ThreadStart(threadUpdate));
            thd.Start();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            thd.Abort();           
        }


    }
}