c#线程问题(3)

//执行回调函数

static void Main(string[] args)
        {
            UPPER = ;
            Thread thread1=new Thread(sops);
            thread1.Name = "thread1";
            thread1.Start();
            Thread thread2=new Thread(sops);
            thread2.Name = "thread2";
            thread2.Start();

            Console.ReadLine();
        }

        static void Callback(object o)
        {
            for (int i = ; i < UPPER; i++)
            {
                Console.WriteLine(o);
            }
        }

        static void sops()
        {
            for (int i = ; i < UPPER; i++)
            {
                Console.WriteLine("hello this data is {0}++++++++++++++++{1}", Thread.CurrentThread.Name, i);

            }
            Console.WriteLine( Thread.CurrentThread.Name+"over");
            ExecutionContext.Run(ExecutionContext.Capture(), new ContextCallback(Callback), Thread.CurrentThread.Name);
        }

        public static int UPPER { get; set; }