Csharp/C Sharp by API/System.Threading/ThreadStart

new ThreadStart(delegate )

using System;
using System.Threading;
class MainClass {
   public static void Countdown() {
    for (int i = 10; i > 0; i--) {
      Console.Write(i.ToString() + " ");
    }
  }
  public static void Main() {
    Thread t2 = new Thread(new ThreadStart(Countdown));
    t2.Start();
  }
}