学步园

  整理硬盘时，发现这个以前写的小程序，稍整理了一下放在这共享。

关键代码是调用API实现关机，借鉴了网上的程序代码，省了自己查windows API。如果侵犯版权，请联系我。

[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);


}

//重启

public static void Reboot()


{


DoExitWin(EWX_FORCE | EWX_REBOOT);


}

//关机

public static void PowerOff()


{


DoExitWin(EWX_FORCE | EWX_POWEROFF);


}

//注销
public static void LogOff()


{


DoExitWin(EWX_FORCE | EWX_LOGOFF);


}

关键是学习一下C# 如何使用非托管的 windows API。程序本身没什么技术含量。

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