コールバック関数実行スレッドについて

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading;

using System.Threading.Tasks;

 

namespace ConsoleApplication1

{

 class Program

 {

 public delegate void PrintCallback(int i);

 static void Main(string[] args)

 {

 

PrintCallback pcb = new PrintCallback(Print);

 for (int i = 0; i < 1000; i++)

 {

   ExcetCallback(pcb, i);

   Console.WriteLine(" ; ID " + System.AppDomain.GetCurrentThreadId());

 }

 }

 

public static void ExcetCallback(PrintCallback pcb,int i)

 {

   pcb(i);

 }

 public static void Print(int i)

 {

 Console.WriteLine(" " + i + " ; ID " + System.AppDomain.GetCurrentThreadId());

 Thread.Sleep(10000);//10s

 }

 

}

}