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  • 实现关机、重启、注销

           
            //实现关机,重启,注销
            [StructLayout(LayoutKind.Sequential, Pack = 1)]
            internal struct TokPriv1Luid
            {
                public int Count;
                public long Luid;
                public int Attr;
            }
    
            //[DllImport]允许.NET调用任意非托管的C/C++基类库,包括操作系统中的API.但与基于COM的软件通信时,[DLLImport]不能使用.
            [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 flg, 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 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);
            }
    
            //重启
            public void Reboot()
            {
                DoExitWin(EWX_FORCE | EWX_REBOOT);
            }
    
            //关机
            public void PowerOff()
            {
                DoExitWin(EWX_FORCE | EWX_POWEROFF);
            }
    
            //注销
            public static void LogoOff()
            {
                DoExitWin(EWX_FORCE | EWX_LOGOFF);
            }
    
    

    }

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  • 原文地址:https://www.cnblogs.com/lihong/p/1762667.html
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