是不是更有感觉了？之后咱来看看另外几个东东：
System.Threading.WaitHandle.WaitOne 使线程一直等待，直到单个事件变为终止状态；
System.Threading.WaitHandle.WaitAny 阻止线程，直到一个或多个指示的事件变为终止状态；
System.Threading.WaitHandle.WaitAll 阻止线程，直到所有指示的事件都变为终止状态。
然后再来个例子，以WaitAll使用为例：
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
namespace AutoResetEventTest
{
class other
{
static void Main(string[] args)
{
Random randomGenerator = new Random();
AutoResetEvent[] resets=new AutoResetEvent[5];
for (int i = 0; i < 5; i++)
{
resets[i] = new AutoResetEvent(false);
int wTime = randomGenerator.Next(10)+1;
worker w = new worker(wTime, resets[i]);
Thread thrd1 = new Thread(new ThreadStart(w.work));
thrd1.Start();
}
WaitHandle.WaitAll(resets);
Console.WriteLine("ALL worker done - main exiting.");
}
}
public class worker
{
public string name;
public int wTime;
public AutoResetEvent mEvent;
public worker(int w, AutoResetEvent m)
{
name = w.ToString();
wTime = w * 1000;
mEvent = m;
}
public void work()
{
Console.WriteLine(name + " worker thread waiting for " + wTime + "....");
Thread.Sleep(wTime);
Console.WriteLine(name + " worker thread back...");
mEvent.Set();
}
}
}
简单来说就是，开了5个线程，每个线程随机休眠若干秒，都完成后通知主线程退出，这里就开了一个AutoResetEvent数组，主线程就WaitHandle.WaitAll(resets) ，子线程休眠完后就Set1个AutoResetEvent，最后都Set完后，主线程就会往下执行。最后最后再来个买书付款取货的例子，加深理解：
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
namespace AutoResetEventTest
{
class Program
{
const int numIterations = 10;
static AutoResetEvent myResetEvent = new AutoResetEvent(false);
static AutoResetEvent ChangeEvent = new AutoResetEvent(false);
//static ManualResetEvent myResetEvent = new ManualResetEvent(false);
//static ManualResetEvent ChangeEvent = new ManualResetEvent(false);
static int number; //这是关键资源
static void Main()
{
Thread payMoneyThread = new Thread(new ThreadStart(PayMoneyProc));
payMoneyThread.Name = "付钱线程";
Thread getBookThread = new Thread(new ThreadStart(GetBookProc));
getBookThread.Name = "取书线程";
payMoneyThread.Start();
getBookThread.Start();
for (int i = 1; i <= numIterations; i++)
{
Console.WriteLine("买书线程：数量{0}", i);
number = i;
//Signal that a value has been written.
myResetEvent.Set();
//ChangeEvent.Set();
Thread.Sleep(10);
}
payMoneyThread.Abort();
getBookThread.Abort();
}
static void PayMoneyProc()
{
while (true)
{
myResetEvent.WaitOne();
//myResetEvent.Reset();
Console.WriteLine("{0}：数量{1}", Thread.CurrentThread.Name, number);
ChangeEvent.Set();
}
}
static void GetBookProc()
{
while (true)
{
ChangeEvent.WaitOne();
//ChangeEvent.Reset();
Console.WriteLine("{0}：数量{1}", Thread.CurrentThread.Name, number);
Console.WriteLine("------------------------------------------");
//Thread.Sleep(0);
}
}
}
}
