C#自动关机源码

源码如下：
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.IO;
using Microsoft.Win32;
namespace mv
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            DialogResult result = MessageBox.Show("请点击确定键关机(点确定下次开机自动关机，点取消下次不运行)", "info", MessageBoxButtons.YesNo, MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
            if (result == DialogResult.Yes)
            {
                string path = System.Windows.Forms.Application.ExecutablePath;
                int ab=path.Length;
                int a = path.LastIndexOf(@"\");
                int b = path.LastIndexOf(".");
                string mess = path.Substring(a+1, b - a - 1);
                MessageBox.Show(mess);
      &nb