At.FF.Krems.FullscreenBrowser.PowerManagement.CallShutdown C# (CSharp) Method

        private static void CallShutdown(ShutdownFlags shutdownFlag, bool force)
        {
            if (!CheckEntryPoint("kernel32.dll", "GetCurrentProcess"))
            {
                throw new PlatformNotSupportedException("'GetCurrentProcess' method missing from 'kernel32.dll'!");
            }

            // if force append to flag
            if (force)
            {
                shutdownFlag = shutdownFlag | ShutdownFlags.Force;
            }

            // open current process tokens
            var currentProcess = NativeMethods.GetCurrentProcess();
            var @null = IntPtr.Zero;

            // request privileges
            if (CheckEntryPoint("advapi32.dll", "OpenProcessToken"))
            {
                // open process token
                if (!NativeMethods.OpenProcessToken(currentProcess, TokenAdjustPrivileges | TokenQuery, ref @null))
                {
                    // failed...
                }

                // lookup privilege
                NativeMethods.LuidAtt luid;
                luid.Count = 1;
                luid.Luid = 0;
                luid.Attr = SePrivilegeEnabled;
                if (!NativeMethods.LookupPrivilegeValue(null, SeShutdownName, ref luid.Luid))
                {
                    // failed...
                }

                // adjust privileges and call shutdown
                if (NativeMethods.AdjustTokenPrivileges(@null, false, ref luid, 0, IntPtr.Zero, IntPtr.Zero))
                {
                    // failed...
                }
            }

            // assume pre 2000, and call exit windows anyway
            // call exitWindows api
            if (NativeMethods.ExitWindowsEx((int)shutdownFlag, 0))
            {
                // failed...
            }
        }