class Program{//一开始设置为false才会等待收到信号才执行static ManualResetEvent mr = new ManualResetEvent(false);public static void Main(){Thread t = new Thread(Run);//启动辅助线程t.Start();//等待辅助线程执行完毕之后，主线程才继续执行Console.WriteLine("主线程一边做自己的事，一边等辅助线程执行!" + DateTime.Now.ToString("mm:ss"));mr.WaitOne();Console.WriteLine("收到信号，主线程继续执行" + DateTime.Now.ToString("mm:ss"));Console.ReadKey();}static void Run(){//模拟长时间任务Thread.Sleep(3000);Console.WriteLine("辅助线程长时间任务完成！" + DateTime.Now.ToString("mm:ss"));mr.Set();}}

    class Program{//一开始设置为false,当遇到WaitOne()时，需要Set()才能继续执行static ManualResetEvent mr = new ManualResetEvent(false);public static void Main(){Thread t = new Thread(Run);t.Start();mr.WaitOne();Console.WriteLine("第一次等待完成!" + DateTime.Now.ToString("mm:ss"));mr.Reset();     //重置后，又能WaitOne()啦mr.WaitOne(3000);Console.WriteLine("第二次等待完成!" + DateTime.Now.ToString("mm:ss"));Console.ReadKey();}static void Run(){mr.Set();Thread.Sleep(2000);mr.Set();}}

    class Program{static AutoResetEvent ar = new AutoResetEvent(true);public static void Main(){Thread t = new Thread(Run);t.Start();bool state = ar.WaitOne(1000);Console.WriteLine("当前的信号量状态:{0}", state);state = ar.WaitOne(1000);Console.WriteLine("再次WaitOne后现在的状态是:{0}", state);state = ar.WaitOne(1000);Console.WriteLine("再次WaitOne后现在的状态是:{0}", state);Console.ReadKey();}static void Run(){Console.WriteLine("当前时间" + DateTime.Now.ToString("mm:ss"));}}

    static void Run(){//线程开始执行时待命，收到信号才动身mr.WaitOne();//我想让辅助线程暂停3秒mr.WaitOne(3000);//我想让辅助线程暂停,10后由主线程再次唤醒mr.WaitOne();}

    class Program{static void Main(string[] args){Thread t1 = new Thread(Run1);t1.Start();Thread t2 = new Thread(Run2);t2.Start();Thread t3 = new Thread(Run3);t3.Start();Console.ReadKey();}//初始可以授予2个线程信号，因为第3个要等待前面的Release才能得到信号static Semaphore sem = new Semaphore(2, 10);static void Run1(){sem.WaitOne();Console.WriteLine("大家好，我是Run1;" + DateTime.Now.ToString("mm:ss"));//两秒后Thread.Sleep(2000);sem.Release();}static void Run2(){sem.WaitOne();Console.WriteLine("大家好，我是Run2;" + DateTime.Now.ToString("mm:ss"));//两秒后Thread.Sleep(2000);sem.Release();}static void Run3(){sem.WaitOne();Console.WriteLine("大家好，我是Run3;" + DateTime.Now.ToString("mm:ss"));//两秒后Thread.Sleep(2000);sem.Release();}}

    class Program{static void Main(string[] args){Thread t1 = new Thread(Run1);t1.Start();Thread t2 = new Thread(Run2);t2.Start();Console.Read();}//初始可以授予2个线程信号，因为第3个要等待前面的Release才能得到信号static Semaphore sem = new Semaphore(3, 10, "命名Semaphore");static void Run1(){sem.WaitOne();Console.WriteLine("进程：" +Process.GetCurrentProcess().Id + "  我是Run1" + DateTime.Now.TimeOfDay);}static void Run2(){sem.WaitOne();Console.WriteLine("进程：" + Process.GetCurrentProcess().Id + "  我是Run2" + DateTime.Now.TimeOfDay);}}

namespace ConsoleApplication3
{class Program{static AutoResetEvent ar = new AutoResetEvent(true);static void MyEventHandler(object sender, EventArgs e){ar.Set();}static void Main(string[] args){LongTimeWork LTW = new LongTimeWork();LTW.Completed += MyEventHandler;Thread t = new Thread(LTW.MyLongTimeWork);t.Start();//继续忙我的Thread.Sleep(2000);//等待辅助线程完成ar.WaitOne();Console.WriteLine("主线程完成!");Console.ReadKey();}}public class LongTimeWork{//定义一个事件public event EventHandler Completed;public void MyLongTimeWork(){Thread.Sleep(1000);Console.WriteLine("辅助线程长时间任务完成!");//当辅助线程完成时，触发已完成事件if (Completed != null){Completed(this, new EventArgs());}}}
}