shows the Thread.Join method in action : Thread Creation : Thread C# Source Code

    

/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy

Publisher: Sybex;
ISBN: 0782129110
*/

/*
  Example14_6.cs shows the Thread.Join method in action
*/

using System;
using System.Threading;

public class Example14_6 
{

  // the Countdown method counts down from 1000 to 1
  public static void Countdown() 
  {
    for (int counter = 1000; counter > 0; counter--) 
    {
      Console.Write(counter.ToString() + " ");
    }
  }

  public static void Main() 
  {

    // create a second thread
    Thread t2 = new Thread(new ThreadStart(Countdown));

    // launch the second thread
    t2.Start();

    // block the first thread until the second is done
    t2.Join();

    // and  call the Countdown method from the first thread
    Countdown();

  }

}