C#代码关闭Windows XP

本文提供了一个使用C#编写的系统级关机程序示例,通过调用内核API来提升权限并执行关机操作。该程序展示了如何利用.NET Framework进行底层系统交互,包括获取当前进程令牌、调整权限及执行关机命令。

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导读:
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   usingSystem;
   usingSystem.Runtime.InteropServices;
   classshoutdown
  {
  [StructLayout(LayoutKind.Sequential, Pack = 1)]
   internal structTokPriv1Luid
  {
   public intCount;
   public longLuid;
   public intAttr;
  }
  [DllImport( "kernel32.dll", ExactSpelling = true)]
   internal static externIntPtr GetCurrentProcess();
  [DllImport( "advapi32.dll", ExactSpelling = true, SetLastError = true)]
   internal static extern boolOpenProcessToken(IntPtr h, intacc, refIntPtr phtok);
  [DllImport( "advapi32.dll", SetLastError = true)]
   internal static extern boolLookupPrivilegeValue( stringhost, stringname, ref longpluid);
  [DllImport( "advapi32.dll", ExactSpelling = true, SetLastError = true)]
   internal static extern boolAdjustTokenPrivileges(IntPtr htok, booldisall,
   refTokPriv1Luid newst, intlen, IntPtr prev, IntPtr relen);
  [DllImport( "user32.dll", ExactSpelling = true, SetLastError = true)]
   internal static extern boolExitWindowsEx( intflg, intrea);
   internal const intSE_PRIVILEGE_ENABLED = 0x00000002;
   internal const intTOKEN_QUERY = 0x00000008;
   internal const intTOKEN_ADJUST_PRIVILEGES = 0x00000020;
   internal const stringSE_SHUTDOWN_NAME = "SeShutdownPrivilege";
   internal const intEWX_LOGOFF = 0x00000000;
   internal const intEWX_SHUTDOWN = 0x00000001;
   internal const intEWX_REBOOT = 0x00000002;
   internal const intEWX_FORCE = 0x00000004;
   internal const intEWX_POWEROFF = 0x00000008;
   internal const intEWX_FORCEIFHUNG = 0x00000010;
   private static voidDoExitWin( intflg)
  {
   boolok;
  TokPriv1Luid tp;
  IntPtr hproc = GetCurrentProcess();
  IntPtr htok = IntPtr.Zero;
  ok = OpenProcessToken(hproc, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, refhtok);
  tp.Count = 1;
  tp.Luid = 0;
  tp.Attr = SE_PRIVILEGE_ENABLED;
  ok = LookupPrivilegeValue( null, SE_SHUTDOWN_NAME, reftp.Luid);
  ok = AdjustTokenPrivileges(htok, false, reftp, 0, IntPtr.Zero, IntPtr.Zero);
  ok = ExitWindowsEx(flg, 0);
  }
   public static voidMain()
  {
  Console.WriteLine( "正在关闭计算机……");
   // 修改 EWX_SHUTDOWN 或者 EWX_LOGOFF, EWX_REBOOT等实现不同得功能。
// 在XP下可以看到帮助信息,以得到不同得参数
// SHUTDOWN /?
DoExitWin(EWX_SHUTDOWN);
  }
  }

本文转自
http://www.chenjiliang.com/Article/View.aspx?ArticleID=439&TypeID=84
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