C# 控制本地计算机注销，重启，关机命令

using System;
using System.Linq;
using System.Text;
using System.Management;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Runtime.InteropServices;

namespace ConsoleApplication1
{
public class ControlComputer
{

#region 使用DOS命令实现 注销、关闭、重新启动计算机
//设置注销、关闭、重新启动计算机参数
[DllImport("user32.dll", EntryPoint = "ExitWindowsEx", CharSet = CharSet.Ansi)]
private static extern int ExitWindowsExDos(int uFlags, int dwReserved);

/// <summary>
/// 注销计算机
/// </summary>
public static void logout()
{
ExitWindowsExDos(0, 0);
}

/// <summary>
/// 关闭计算机
/// </summary>
public void closepc()
{
//创建访问控制本地系统进程的对象实例
System.Diagnostics.Process myprocess = new System.Diagnostics.Process();
myprocess.StartInfo.FileName = "cmd.exe";
myprocess.StartInfo.UseShellExecute = false;
myprocess.StartInfo.RedirectStandardInput = true;
myprocess.StartInfo.RedirectStandardOutput = true;
myprocess.StartInfo.RedirectStandardError = true;
myprocess.StartInfo.CreateNoWindow = true;
myprocess.Start();
myprocess.StandardInput.WriteLine("shutdown -s -t 0");
}

/// <summary>
/// 重新启动计算机
/// </summary>
public static void afreshstartpc()
{
//创建访问控制本地系统进程的对象实例
System.Diagnostics.Process myprocess = new System.Diagnostics.Process();
myprocess.StartInfo.FileName = "cmd.exe";
myprocess.StartInfo.UseShellExecute = false;
myprocess.StartInfo.RedirectStandardInput = true;
myprocess.StartInfo.RedirectStandardOutput = true;
myprocess.StartInfo.RedirectStandardError = true;
myprocess.StartInfo.CreateNoWindow = true;
myprocess.Start();
myprocess.StandardInput.WriteLine("shutdown -r -t 0");
}
#endregion

#region 调用API实现 注销、关闭、重新启动计算机

[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)]
internal static extern bool OpenProcessToken(IntPtr h, int acc, ref IntPtr phtok);

[DllImport("advapi32.dll", SetLastError = true)]
internal static extern bool LookupPrivilegeValue(string host, string name, ref long pluid);

[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);

[DllImport("user32.dll", ExactSpelling = true, SetLastError = true)]
internal static extern bool ExitWindowsEx(int DoFlag, int rea);

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;

private static void DoExitWin(int DoFlag)
{
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(DoFlag, 0);
}

/// <summary>
/// 重新启动
/// </summary>
public static void Reboot()
{
DoExitWin(EWX_FORCE | EWX_REBOOT);
}

/// <summary>
/// 关机
/// </summary>
public static void PowerOff()
{
DoExitWin(EWX_FORCE | EWX_POWEROFF);
}

/// <summary>
/// 注销
/// </summary>
public static void LogOff()
{
DoExitWin(EWX_FORCE | EWX_LOGOFF);
}
#endregion
}

}