using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
 
namespace ConsoleApplication2
{
  class MyThread
  {
    Thread t = null;
    ManualResetEvent manualEvent = new ManualResetEvent(true);//为trur,一开始就可以执行
    private void Run()
    {
      while (true)
      {
        this.manualEvent.WaitOne();
        Console.WriteLine("线程id:{0}", Thread.CurrentThread.ManagedThreadId);
        Thread.Sleep(2000);
      }
    }
 
    public void Start()
    {
      this.manualEvent.Set();
    }
 
    public void Stop()
    {
      this.manualEvent.Reset();
    }
 
    public MyThread()
    {
      t = new Thread(this.Run);
      t.Start();
    }
 
  }
 
  class Program
  {  
    static void Main(string[] args)
    {
      MyThread myt = new MyThread();     
      while (true)
      {
        Console.WriteLine("输入 stop 后台线程挂起 start 开始执行！");
        string str = Console.ReadLine();
        if (str.ToLower().Trim() == "stop")
        {
          Console.WriteLine("线程停止运行...\n");
          myt.Stop();
        }
        if (str.ToLower().Trim() == "start")
        {
          Console.WriteLine("线程开启运行...\n");
          myt.Start();
        }
      }
    }
    
  }
}