線程池 ThreadPool的使用

using System;using System.Collections.Generic;using System.Text;using System.Threading;namespace Threads{    class Program    {        static void Main(string[] args)        {            const int threadCount = 20;            ManualResetEvent[] doneEvents = new ManualResetEvent[threadCount];            Console.WriteLine("invok-threads:{0}", DateTime.Now.ToString());            for (int i = 0; i < threadCount; i++)            {                doneEvents[i] = new ManualResetEvent(false);               ThreadExample te =new ThreadExample (doneEvents[i]);               ThreadPool.QueueUserWorkItem(te.AddData,i);            }            WaitHandle.WaitAll(doneEvents);            Console.WriteLine("finsh-threads:{0}",DateTime.Now.ToString());            Console.ReadLine();        }    }    public class ThreadExample    {        private  ManualResetEvent _doneEvent;        public ThreadExample(ManualResetEvent doneEvent)        { _doneEvent = doneEvent; }        public  void AddData(object threadContext)        {            int threadIndex = Convert.ToInt32(threadContext.ToString());            Console.WriteLine("thread:{0}-start", threadIndex);            Thread.Sleep(20000);            Console.WriteLine("thread:{0}-finsh", threadIndex);                      _doneEvent.Set();          Thread.CurrentThread.Abort();        }    }}