Beginners Guide to Threading in .NET: Part 1 of n

using System;
using System.Threading;

namespace TLSDataSlot
{
    class Program
    {
        static void Main()
        {
            Thread[] newThreads = new Thread[4];
            for (int i = 0; i < newThreads.Length; i++)
            {
                newThreads[i] =
                    new Thread(new ThreadStart(Slot.SlotTest));
                newThreads[i].Start();
            }
        }
    }


    class Slot
    {
        static Random randomGenerator = new Random();

        public static void SlotTest()
        {
            // Set different data in each thread's data slot.
            Thread.SetData(
                Thread.GetNamedDataSlot("Random"),
                randomGenerator.Next(1, 200));

            // Write the data from each thread's data slot.
            Console.WriteLine("Data in thread_{0}'s data slot: {1}",
                AppDomain.GetCurrentThreadId().ToString(),
                Thread.GetData(
                Thread.GetNamedDataSlot("Random")).ToString());

            // Allow other threads time to execute SetData to show
            // that a thread's data slot is unique to the thread.
            Thread.Sleep(1000);

            Console.WriteLine("Data in thread_{0}'s data slot is still: {1}",
                AppDomain.GetCurrentThreadId().ToString(),
                Thread.GetData(
                Thread.GetNamedDataSlot("Random")).ToString());

            // Allow time for other threads to show their data,
            // then demonstrate that any code a thread executes
            // has access to the thread's named data slot.        
            Thread.Sleep(1000);

            Other o = new Other();
            o.ShowSlotData();
            Console.ReadLine();
        }
    }

    public class Other
    {
        public void ShowSlotData()
        {
            // This method has no access to the data in the Slot
            // class, but when executed by a thread it can obtain
            // the thread's data from a named slot.
            Console.WriteLine(
                "Other code displays data in thread_{0}'s data slot: {1}",
                AppDomain.GetCurrentThreadId().ToString(),
                Thread.GetData(
                Thread.GetNamedDataSlot("Random")).ToString());
        }
    }



}