C#销毁线程

using System;
using System.Threading;

namespace MultithreadingApplication {

   class ThreadCreationProgram {

      public static void CalltochildThread() {

         try {
            Console.WriteLine(Child thread starts);

            // do some work, like counting to 10
            for (int counter = 0; counter <= 10; counter++) {
               Thread.Sleep(500);
               Console.WriteLine(counter);
            }

            Console.WriteLine(Child Thread Completed);
         } catch (ThreadAbortException e) {
            Console.WriteLine(Thread Abort Exception);
         } finally {
            Console.WriteLine(Couldn't catch the Thread Exception);
         }
      }

      static void Main(string[] args) {
         ThreadStart childref = new ThreadStart(CalltochildThread);
         Console.WriteLine(In Main: Creating the Child thread);
         Thread childThread = new Thread(childref);
         childThread.Start();

         //stop the main thread for some time
         Thread.Sleep(2000);

         //Now abort the child
         Console.WriteLine(In Main: Aborting the Child thread);

         childThread.Abort();
         Console.ReadKey();
      }
   }
}