C# 定时关闭计算机

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.Runtime.InteropServices;
using System.Data.OleDb;
using Microsoft.Win32;
namespace TimeCloseComputer
{
    public partial class Frm_Main : Form
    {
        public Frm_Main（）
        {
            InitializeComponent（）;
        }
        public bool flag = true;
        string strg;//数据库路径
        OleDbConnection conn;
        OleDbCommand cmd;
        OleDbDataReader sdr;
      [StructLayout（LayoutKind.Sequential Pack=1）] 
      internal struct TokPriv1Luid 
      { 
         public int  Count; 
         public long  Luid; 
         public int  Attr; 
      } 

      [DllImport（“kernel32.dll“ ExactSpelling=true） ] 
      internal static extern IntPtr GetCurrentProcess（）; 
      [DllImport（“advapi32.dll“ ExactSpelling=true SetLastError=true） ] 
      in

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件     200704  2016-12-22 02:54  TimeCloseComputer\TimeCloseComputer\bin\Debug\db.mdb

     文件      60928  2016-12-22 02:53  TimeCloseComputer\TimeCloseComputer\bin\Debug\TimeCloseComputer.exe

     文件      52736  2016-12-22 02:52  TimeCloseComputer\TimeCloseComputer\bin\Debug\TimeCloseComputer.pdb

     文件      14328  2016-12-22 02:52  TimeCloseComputer\TimeCloseComputer\bin\Debug\TimeCloseComputer.vshost.exe

     文件        490  2016-12-22 02:52  TimeCloseComputer\TimeCloseComputer\bin\Debug\TimeCloseComputer.vshost.exe.manifest

     文件     200704  2016-12-21 17:40  TimeCloseComputer\TimeCloseComputer\db.mdb

     文件      16566  2016-12-21 17:40  TimeCloseComputer\TimeCloseComputer\false.jpg

     文件      13444  2016-12-21 17:40  TimeCloseComputer\TimeCloseComputer\Frm_Main.cs

     文件      19169  2016-12-21 17:40  TimeCloseComputer\TimeCloseComputer\Frm_Main.Designer.cs

     文件      11012  2016-12-21 17:40  TimeCloseComputer\TimeCloseComputer\Frm_Main.resx

     文件       7977  2016-12-22 02:52  TimeCloseComputer\TimeCloseComputer\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件       5120  2016-12-22 04:14  TimeCloseComputer\TimeCloseComputer\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll

     文件       4790  2016-12-22 02:52  TimeCloseComputer\TimeCloseComputer\obj\Debug\TimeCloseComputer.csproj.FileListAbsolute.txt

     文件       1035  2016-12-22 02:52  TimeCloseComputer\TimeCloseComputer\obj\Debug\TimeCloseComputer.csproj.GenerateResource.Cache

     文件      60928  2016-12-22 02:52  TimeCloseComputer\TimeCloseComputer\obj\Debug\TimeCloseComputer.exe

     文件       3440  2016-12-22 02:52  TimeCloseComputer\TimeCloseComputer\obj\Debug\TimeCloseComputer.Form1.resources

     文件       3440  2016-12-22 02:52  TimeCloseComputer\TimeCloseComputer\obj\Debug\TimeCloseComputer.Frm_Main.resources

     文件      52736  2016-12-22 02:52  TimeCloseComputer\TimeCloseComputer\obj\Debug\TimeCloseComputer.pdb

     文件      35781  2016-12-22 02:52  TimeCloseComputer\TimeCloseComputer\obj\Debug\TimeCloseComputer.Properties.Resources.resources

     文件        501  2016-12-21 17:40  TimeCloseComputer\TimeCloseComputer\Program.cs

     文件       1390  2016-12-21 21:07  TimeCloseComputer\TimeCloseComputer\Properties\AssemblyInfo.cs

     文件       4370  2016-12-21 21:07  TimeCloseComputer\TimeCloseComputer\Properties\Resources.Designer.cs

     文件       6899  2016-12-21 21:07  TimeCloseComputer\TimeCloseComputer\Properties\Resources.resx

     文件       1117  2016-12-21 21:06  TimeCloseComputer\TimeCloseComputer\Properties\Settings.Designer.cs

     文件        249  2016-12-21 21:06  TimeCloseComputer\TimeCloseComputer\Properties\Settings.settings

     文件       4393  2016-12-21 17:40  TimeCloseComputer\TimeCloseComputer\TimeCloseComputer.csproj

     文件        227  2016-12-21 17:40  TimeCloseComputer\TimeCloseComputer\TimeCloseComputer.csproj.user

     文件      16478  2016-12-21 17:40  TimeCloseComputer\TimeCloseComputer\true.jpg

     文件       2862  2016-12-21 17:40  TimeCloseComputer\TimeCloseComputer\图标 （18）.ico

     文件       2862  2016-12-21 17:40  TimeCloseComputer\TimeCloseComputer\图标 （187）.ico

............此处省略15个文件信息