//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.IO;

using System.Threading;



namespace MultiThread

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void button1_Click(object sender, EventArgs e)

        {

            using (FolderBrowserDialog fbd = new FolderBrowserDialog())

            {

                fbd.Description = "选择要多线程读取文件的路径";

                fbd.ShowNewFolderButton = false;

                if (fbd.ShowDialog(this) == DialogResult.OK)

                {

                    DirectoryInfo di = new DirectoryInfo(fbd.SelectedPath);

                    foreach (FileInfo fi in di.GetFiles("*.txt"))

                    {

                        Thread t = new Thread(this.InvokeThread);

                        t.Start(fi.FullName);

                    }

                }