C#winform program shuts down the correct posture of the computer

    <summary>///Computer Power control class///</summary> public class Environmentcheckclass {[Dllimpo        RT ("User32.dll")] static extern bool ExitWindowsEx (exitwindows uflags, ShutdownReason dwreason);        [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, Stri        ng name, ref long Pluid); [DllImport ("advapi32.dll", ExactSpelling = True, SetLastError = true)] internal static extern bool Adjusttokenprivi        Leges (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);            [StructLayout (layoutkind.sequential, Pack = 1)] Internal struct TOKPRIV1LUID {public int Count;            public long Luid;        public int Attr;        } 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";            public enum Exitwindows:uint {LogOff = 0x00,//Logoff ShutDown = 0x01,//shutdown        Reboot = 0x00000002,//Restart force = 0x04, PowerOff = 0x08, Forceifhung = 0x10} public enum Shutdownreason:uint {majorapplication = 0x00040000, Majorhardware = 0x000 10000, Majorlegacyapi = 0x00070000, Majoroperatingsystem = 0x00020000, Majorother = 0x000 00000, Majorpower = 0x00060000, Majorsoftware = 0x00030000, Majorsystem = 0x00050000, Minorbluescreen = 0x 0000000F, minorcordunplugged = 0x0000000b, Minordisk = 0x00000007, minorenvironment = 0x0 000000c, Minorhardwaredriver = 0x0000000d, Minorhotfix = 0x00000011, Minorhung = 0x000000             Minorinstallation = 0x00000002, minormaintenance = 0x00000001, Minormmc = 0x00000019, Minornetworkconnectivity = 0x00000014, Minornetworkcard = 0x00000009, Minorother = 0x000 00000, Minorotherdriver = 0x0000000e, minorpowersupply = 0x0000000a, minorprocessor = 0x0 0000008, Minorreconfig = 0x00000004, minorsecurity = 0x00000013, Minorsecurityfix = 0x000 00012, Minorsecurityfixuninstall = 0x00000018, Minorservicepack = 0x00000010, Minorservic Epackuninstall = 0x00000016, minortermsrv = 0x00000020, minorunstable = 0x00000006, Minorupgrade = 0x00000003,        MINORWMI = 0x00000015, flaguserdefined = 0x40000000, flagplanned = 0x80000000} public void Restartcomputer () {System.Threading.Thread Restart = new System.Threading.Thread (Restart            );        Restart.start ();                 } private void ReStart () {try {System.Threading.Thread.Sleep (1000);                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 (exitwindows.reboot, Shutdownreason.minorother); } catch {}} public void Computerpoweroff () {System.Threading.Thre            Ad PowerOff = new System.Threading.Thread (Pcpoweroff);        Poweroff.start (); } private void Pcpoweroff () {try {System.Threading.Thread.Sleep (1000)                  ;                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 (Exitwindows.poweroff, Shutdownreason.majorhardware); } Catch {}}}

　　

C#winform program shuts down the correct posture of the computer