送花之手动重设：Send Flower:Set A Signal of Ending

using System;

using System.Threading;

public class TestMain
{

    private static ManualResetEvent ent = new ManualResetEvent(false);

    public static void Main()
    {

        Boy sender = new Boy(ent);

        Thread th = new Thread(new ThreadStart(sender.SendFlower));

        th.Start();

        ent.WaitOne();

        Console.WriteLine("收到了吧，花是我送嘀:)");

        Console.ReadLine();

    }

}

public class Boy
{

    ManualResetEvent ent;

    public Boy(ManualResetEvent e)
    {

        ent = e;

    }

    public void SendFlower()
    {
      
        Console.WriteLine("正在送花的途中");

        for (int i = 0; i < 10; i++)
        {

            Thread.Sleep(200);

            Console.Write("..");

        }
       
        Console.WriteLine("/r/n花已经送到MM手中了,boss");
        ent.Set();
      

    }

}