C# 调用系统关机、重启、注销的类代码,CSharp代码库,德仔网

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【CSharp】 C# 调用系统关机、重启、注销的类

作者: / 发布于2011/1/12/ 1047

<div>using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;</div>
<div>namespace WorkHelper
{
 class ShutDown
 {
 [StructLayout(LayoutKind.Sequential, Pack = 1)]
 internal struct TokPriv1Luid
 {
 public int Count;
 public long Luid;
 public int Attr;
 }
<div> [DllImport("kernel32.dll", ExactSpelling = true)]
 internal static extern IntPtr GetCurrentProcess();</div>
<div> [DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)]
 internal static extern bool OpenProcessToken(IntPtr h, int acc, ref IntPtr phtok);</div>
<div> [DllImport("advapi32.dll", SetLastError = true)]
 internal static extern bool LookupPrivilegeValue(string host, string name, ref long pluid);</div>
<div> [DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)]
 internal static extern bool AdjustTokenPrivileges(IntPtr htok, bool disall, ref TokPriv1Luid newst, int len, IntPtr prev, IntPtr relen);</div>
<div> [DllImport("user32.dll", ExactSpelling = true, SetLastError = true)]
 internal static extern bool ExitWindowsEx(int flg, int rea);</div>
<div> internal const int SE_PRIVILEGE_ENABLED = 0x00000002;
 internal const int TOKEN_QUERY = 0x00000008;
 internal const int TOKEN_ADJUST_PRIVILEGES = 0x00000020;
 internal const string SE_SHUTDOWN_NAME = "SeShutdownPrivilege";
 internal const int EWX_LOGOFF = 0x00000000;
 internal const int EWX_SHUTDOWN = 0x00000001;
 internal const int EWX_REBOOT = 0x00000002;
 internal const int EWX_FORCE = 0x00000004;
 internal const int EWX_POWEROFF = 0x00000008;
 internal const int EWX_FORCEIFHUNG = 0x00000010;</div>
<div> private static void DoExitWin(int flg)
 {
 bool ok;
 TokPriv1Luid tp;
 IntPtr hproc = GetCurrentProcess();
 IntPtr htok = IntPtr.Zero;
 ok = OpenProcessToken(hproc, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, ref htok);
 tp.Count = 1;
 tp.Luid = 0;
 tp.Attr = SE_PRIVILEGE_ENABLED;
 ok = LookupPrivilegeValue(null, SE_SHUTDOWN_NAME, ref tp.Luid);
 ok = AdjustTokenPrivileges(htok, false, ref tp, 0, IntPtr.Zero, IntPtr.Zero);
 ok = ExitWindowsEx(flg, 0);
 }
<div> public static void Reboot()
 {
 DoExitWin(EWX_FORCE | EWX_REBOOT); //重启
 }
<div> public static void PowerOff()
 {
 DoExitWin(EWX_FORCE | EWX_POWEROFF); //关机
 }
<div> public static void LogoOff()
 {
 DoExitWin(EWX_FORCE | EWX_LOGOFF); //注销
 }
<div> }
}
</div>
<div></div>

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