.net 委托的简化语法

   public static void WorkItem()
        {
            ThreadPool.QueueUserWorkItem(SomeAsyncTask, 5);
        }
    
        public static void SomeAsyncTask(object o)
        {
            Console.WriteLine("SomeAsyncTask:{0}", 0);
        }

   public static void CallbackWithouNewingADelegateObject()
        { 
            ThreadPool.QueueUserWorkItem(
                obj => Console.WriteLine("SomeAsyncTask:{0}", obj),
                5);
        }