关于Task的线程窃取

示例代码：

         static void Main(string[] args)
         {
             ThreadPool.SetMaxThreads(, );
             object locker = new object();
             const int TaskCount = ;

             Task main = Task.Run(() =>
             {
                 var mainTid = Thread.CurrentThread.ManagedThreadId;
                 Console.WriteLine("Main TID:{0}", mainTid);
                 Thread.Sleep();

                 Task[] tasks = new Task[TaskCount];
                 for (int i = ; i < TaskCount; i++)
                 {
                     tasks[i] = Task.Run(() =>
                     {
                         var tid = Thread.CurrentThread.ManagedThreadId;
                         lock (locker)
                         {
                             if (mainTid == tid)
                                 Console.ForegroundColor = ConsoleColor.Red;
                             Console.WriteLine(tid);
                             if (mainTid == tid)
                                 Console.ForegroundColor = ConsoleColor.Gray;
                         }
                         Thread.Sleep();
                     });
                 }
                 Task.WaitAll(tasks);
             });
             main.Wait();
         }