.NET单线程执行可过期状态查询（一）

Thread workerThread = new Thread(StartThread);

public static void StartThread()
{
    for (int i = 0; i < 10; i++)
    {
        Console.WriteLine("Thread value {0} running on Thread Id {1}",
            i.ToString(), 
            Thread.CurrentThread.ManagedThreadId.ToString());
    }
}

workerThread.Start();

using System;
using System.Threading;


namespace CallBacks
{
    class Program
    {
        private string message;
        private static Timer timer;
        private static bool complete;


        static void Main(string[] args)
        {
            Program p = new Program();
            Thread workerThread = new Thread(p.DoSomeWork);
            workerThread.Start();

            //create timer with callback
            TimerCallback timerCallBack =
                new TimerCallback(p.GetState);
            timer = new Timer(timerCallBack, null, 
                TimeSpan.Zero, TimeSpan.FromSeconds(2));

            //wait for worker to complete
            do
            {
                //simply wait, do nothing
            } while (!complete);

            Console.WriteLine("exiting main thread");
            Console.ReadLine();
        }


        public void GetState(Object state)
        {
            //not done so return
            if (message == string.Empty) return;
            Console.WriteLine("Worker is {0}", message);
            //is other thread completed yet, if so signal main
            //thread to stop waiting
            if (message == "Completed")
            {
                timer.Dispose();
                complete = true;
            }
        }

        public void DoSomeWork()
        {
            message = "processing";
            //simulate doing some work
            Thread.Sleep(3000); 
            message = "Completed";
        }
    }
}

private static bool complete;