Beginner's Guide to Threading in .NET: Part 3 of n

using System;
using System.Threading;

namespace AutoResetEventTest
{


    /// <summary>
    /// This simple class demonstrates the usage of an AutoResetEvent
    /// in 2 different scenarios, bith in the non-signalled state and the 
    /// signalled state
    /// </summary>
    public class Program
    {

        public static Thread T1;
        public static Thread T2;
        //This AutoResetEvent starts out non-signalled
        public static AutoResetEvent ar1 = new AutoResetEvent(false);
        //This AutoResetEvent starts out signalled
        public static AutoResetEvent ar2 = new AutoResetEvent(true);

        static void Main(string[] args)
        {

            T1 = new Thread((ThreadStart)delegate
                {
                    Console.WriteLine(
                        "T1 is simulating some work by sleeping for 5 secs");
                    //calling sleep to simulate some work
                    Thread.Sleep(5000);
                    Console.WriteLine(
                        "T1 is just about to set AutoResetEvent ar1");
                    //alert waiting thread(s)
                    ar1.Set();
                });

            T2 = new Thread((ThreadStart)delegate
            {
                //wait for AutoResetEvent ar1, this will wait for ar1
                //to be signalled from some other thread
                Console.WriteLine(
                    "T2 starting to wait for AutoResetEvent ar1, at time {0}", 
                    DateTime.Now.ToLongTimeString());
                ar1.WaitOne();
                Console.WriteLine(
                    "T2 finished waiting for AutoResetEvent ar1, at time {0}", 
                    DateTime.Now.ToLongTimeString());

                //wait for AutoResetEvent ar2, this will skip straight through
                //as AutoResetEvent ar2 started out in the signalled state
                Console.WriteLine(
                    "T2 starting to wait for AutoResetEvent ar2, at time {0}",
                    DateTime.Now.ToLongTimeString());
                ar2.WaitOne();
                Console.WriteLine(
                    "T2 finished waiting for AutoResetEvent ar2, at time {0}",
                    DateTime.Now.ToLongTimeString());
            });
            
            T1.Name = "T1";
            T2.Name = "T2";
            T1.Start();
            T2.Start();
            Console.ReadLine();
        }
    }
}