进程和线程的简单实例

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using System.Threading;

namespace TestOfProcess
{
    public partial class Form1 : Form
    {
        Thread thread1;
        int num = 0;
        bool isRun=true;
        public Form1()
        {
            InitializeComponent();
            thread1 = new Thread(new ThreadStart(thread1CallBack));

        }
        public void thread1CallBack()
        {
            while(true)
            while (isRun)
            {
                num++;
                Thread.Sleep(1000);
            }
        }
        private void button1_Click(object sender, EventArgs e)
        {
            Process process1 = new Process();
            process1.StartInfo.FileName = "notepad.exe";
            //启动Notepad.exe进程.
            process1.Start();

        }

        private void button2_Click(object sender, EventArgs e)
        {
            Process[] process;
            process = Process.GetProcessesByName("notepad");
            foreach(Process instance in process)
            {
                instance.WaitForExit(1000);
                instance.CloseMainWindow();
            
            }
        }

        private void button3_Click(object sender, EventArgs e)
        {
            listBox1.Items.Clear();
            //创建Process类型的数组,并将它们与系统内所有进程相关联
            Process[] processes;
            processes = Process.GetProcesses();
            foreach (Process p in processes)
            {
                //Idle指显示CPU空闲率的进程名称
                //由于访问Idle的StartTime会出现异常，所以将其排除在外
                if (p.ProcessName != "Idle")
                {
                    //将每个进程名和进程开始时间加入listBox1中
                    this.listBox1.Items.Add(
                    string.Format("{0,-30}{1:h:m:s}", p.ProcessName, p.StartTime));
                }
            }

        }

        private void button4_Click(object sender, EventArgs e)
        {
            thread1.Start();
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            richTextBox1.AppendText(num.ToString());
        }

        private void checkBox1_CheckedChanged(object sender, EventArgs e)
        {
            isRun = (sender as CheckBox).Checked;
        }
    }
}

工程文件