Đa luồng (Multithread) trong C#

using System;
using System.Threading;
namespace KienThucLapTrinhCsharp
{
    class Program
    {
        public static void Main()
        {
            Console.WriteLine("Da luong trong C#");
            Console.WriteLine("-----------------------------------");
            Thread th = Thread.CurrentThread;
            th.Name = "MainThread";
            Console.WriteLine("Day la {0}", th.Name);
            Console.ReadKey();
        }
    }
}

using System;
using System.Threading;
namespace KienThucLapTrinhCsharp
{
    class Program
    {
        public static void CallToChildThread()
        {
            Console.WriteLine("Thread con bat dau!!!");
        }        static void Main(string[] args)
        {
            Console.WriteLine("Da luong trong C#");
            Console.WriteLine("Vi du minh hoa cach tao Thread");
            Console.WriteLine("----------------------------------");
            ThreadStart childref = new ThreadStart(CallToChildThread);
            Console.WriteLine("Trong Main Thread: tao thread con.");
            Thread childThread = new Thread(childref);
            childThread.Start();
            Console.ReadKey();
        }
    }
}

using System;
using System.Threading;
namespace KienThucLapTrinhCsharp
{
    class Program
    {
        public static void CallToChildThread()
        {
            Console.WriteLine("Bat dau Thread con!!!");
            // Thread nay dung khoang 5000 milisecond
            int sleepfor = 5000;
            Console.WriteLine("Thread con dung trong khoang {0} giay", 
                sleepfor / 1000);
            Thread.Sleep(sleepfor);
            Console.WriteLine("Thread con phuc hoi!!!");
        }
        static void Main(string[] args)
        {
            Console.WriteLine("Da luong trong C#");
            Console.WriteLine("Vi du minh hoa quan ly Thread");
            Console.WriteLine("---------------------------------");

            ThreadStart childref = new ThreadStart(CallToChildThread);
            Console.WriteLine("Trong Main Thread: tao Thread con.");
            Thread childThread = new Thread(childref);
            childThread.Start();
            Console.ReadKey();
        }
    }
}

using System;
using System.Threading;
namespace KienThucLapTrinhCsharp
{
    class Program
    {
        public static void CallToChildThread()
        {
            try
            {
                Console.WriteLine("Bat dau Thread con!!!");
                // gia su chung ta dem tu 0 toi 10
                for (int counter = 0; counter <= 10; counter++)
                {
                    Thread.Sleep(500); //dung trong khoang 5 giay
                    Console.WriteLine(counter);
                }
                Console.WriteLine("Thread con hoan thanh.");
            }
            catch (ThreadAbortException e)
            {
                Console.WriteLine("Thread Abort Exception!!!");
            }
            finally
            {
                Console.WriteLine("Khong the bat Thread Exception!!!");
            }
        }
        static void Main(string[] args)
        {
            Console.WriteLine("Da luong trong C#");
            Console.WriteLine("Vi du minh hoa huy Thread");
            Console.WriteLine("-------------------------------------");
            ThreadStart childref = new ThreadStart(CallToChildThread);
            Console.WriteLine("Trong Main Thread: tao Thread con.");
            Thread childThread = new Thread(childref);
            childThread.Start();
            //dung Main Thread trong khoang 2 giay
            Thread.Sleep(2000);
            //bay gio huy thread con
            Console.WriteLine("Trong Main Thread: huy Thread con.");
            childThread.Abort();
            Console.ReadKey();
        }
    }
}