详解 ManualResetEvent

 class Program
    {
        static ManualResetEvent _mre = new ManualResetEvent(false);
        static void Main(string[] args)
        {
            Thread[] _threads = new Thread[3];
            for (int i = 0; i < _threads.Count(); i++)
            {
                _threads[i] = new Thread(ThreadRun);
                _threads[i].Start();
            }
           
        }

        static void ThreadRun()
        {
            int _threadID = 0;
            while (true)
            {
                _mre.WaitOne();
                _threadID = Thread.CurrentThread.ManagedThreadId;
                Console.WriteLine("current Tread is " + _threadID);
                Thread.Sleep(TimeSpan.FromSeconds(2));
                  
            }
        }
    }