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话不多说，请看代码：
using System;
using System.Collections.Generic;
using System.Text;
namespace NET.MST.Sixth.Reenter
{
class Reenter
{
//用来造成线程同步问题的静态成员
private static int TestInt1=0;
private static int TestInt2 = 0;
private static object locko = new object();
static void Main(string[] args)
{
Console.WriteLine("System.Timers.Timer 回调方法重入测试：");
TimersTimerReenter();
//这里确保已经开始的回调方法有机会结束
System.Threading.Thread.Sleep(2 * 1000);
Console.WriteLine("System.Threading.Timer 回调方法重入测试：");
ThreadingTimerReenter();
Console.Read();
}
/// <summary>
/// 展示System.Timers.Timer的回调方法重入
/// </summary>
static void TimersTimerReenter()
{
System.Timers.Timer timer = new System.Timers.Timer();
timer.Interval = 100; //100毫秒
timer.Elapsed += TimersTimerHandler;
timer.Start();
System.Threading.Thread.Sleep(2 * 1000); //运行2秒
timer.Stop();
}
/// <summary>
/// 展示System.Threading.Timer的回调方法重入
/// </summary>
static void ThreadingTimerReenter()
{
//100毫秒
using (System.Threading.Timer timer = new System.Threading.Timer
(new System.Threading.TimerCallback(ThreadingTimerHandler), null, 0, 100))
{
System.Threading.Thread.Sleep(2 * 1000); //运行2秒
}
}
/// <summary>
/// System.Timers.Timer的回调方法
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private static void TimersTimerHandler(object sender,EventArgs args)
{
lock (locko)
{
Console.WriteLine("测试整数：" + TestInt1.ToString());
//睡眠10秒，保证方法重入
System.Threading.Thread.Sleep(300);
TestInt1++;
Console.WriteLine("自增1后测试整数：" + TestInt1.ToString());
}
}
/// <summary>
/// System.Threading.Timer的回调方法
/// </summary>
/// <param name="state"></param>
private static void ThreadingTimerHandler(object state)
{
lock (locko)
{
Console.WriteLine("测试整数：" + TestInt2.ToString());
//睡眠10秒，保证方法重入
System.Threading.Thread.Sleep(300);
TestInt2++;
Console.WriteLine("自增1后测试整数：" + TestInt2.ToString());
}
}
}
}
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