简单线程系列1-最简单的线程池

using System;
using System.Threading;

namespace ConsoleApplication1
{
static class Program
{
static int _count;
private const int Max = 1000;
static void Main()
{
ThreadPool.SetMaxThreads(3, 3);
for (int i = 0; i < Max; i++)
{
ThreadPool.QueueUserWorkItem(Oper, i);
}
while (_count < Max)
Thread.Sleep(50);
Console.WriteLine("{0}\tcount={1}", DateTime.Now.ToString("mm:ss:fff"), _count);
int workerthread = -1;
int streamthread = -1;
ThreadPool.GetAvailableThreads(out workerthread, out streamthread);
Console.WriteLine("{0}\tworkerthread={1}\tstreamthread={2}", DateTime.Now.ToString("mm:ss:fff"), workerthread, streamthread);
Console.ReadLine();
}
static void Oper(object obj)
{
int i = (int)obj;
Console.WriteLine("{0}\t执行结果{1}", DateTime.Now.ToString("mm:ss:fff"), i);
_count++;
}
}
}