Skip to content

线程同步 - 信号同步-AutoResetEvent(1)

🏷️ C# 学习 C#

cs
using System;
using System.Threading;
using System.Windows.Forms;

namespace WaitHandleSample
{
    public partial class Form1 : Form
    {
        AutoResetEvent autoResetEvent = new AutoResetEvent(false);

        public Form1()
        {
            InitializeComponent();
            // 允许新线程访问主线程的控件
            CheckForIllegalCrossThreadCalls = false;
        }

        private void btnStartAThread_Click(object sender, EventArgs e)
        {
            Thread twork = new Thread(() =>
            {
                label1.Text = "线程启动。。。" + Environment.NewLine;
                label1.Text += "开始处理一下实际的工作" + Environment.NewLine;
                // 省略工作代码
                label1.Text += "我开始等待别的线程给我信号,才愿意继续下去" + Environment.NewLine;
                autoResetEvent.WaitOne();
                label1.Text += "我继续做了一些工作,然后结束了";
            });
            twork.IsBackground = true;
            twork.Start();
        }

        private void btnSet_Click(object sender, EventArgs e)
        {
            // 给在 autoResetEvent 上等待的线程一个信号
            autoResetEvent.Set();
        }
    }
}