System.Diagnostics.Process.SetPrivilege C# (CSharp) Method

        private static void SetPrivilege(string privilegeName, int attrib)
        {
            SafeTokenHandle hToken = null;
            Interop.Advapi32.LUID debugValue = new Interop.Advapi32.LUID();

            // this is only a "pseudo handle" to the current process - no need to close it later
            SafeProcessHandle processHandle = Interop.Kernel32.GetCurrentProcess();

            // get the process token so we can adjust the privilege on it.  We DO need to
            // close the token when we're done with it.
            if (!Interop.Advapi32.OpenProcessToken(processHandle, Interop.Kernel32.HandleOptions.TOKEN_ADJUST_PRIVILEGES, out hToken))
            {
                throw new Win32Exception();
            }

            try
            {
                if (!Interop.Advapi32.LookupPrivilegeValue(null, privilegeName, out debugValue))
                {
                    throw new Win32Exception();
                }

                Interop.Advapi32.TokenPrivileges tkp = new Interop.Advapi32.TokenPrivileges();
                tkp.Luid = debugValue;
                tkp.Attributes = attrib;

                Interop.Advapi32.AdjustTokenPrivileges(hToken, false, tkp, 0, IntPtr.Zero, IntPtr.Zero);

                // AdjustTokenPrivileges can return true even if it failed to
                // set the privilege, so we need to use GetLastError
                if (Marshal.GetLastWin32Error() != Interop.Errors.ERROR_SUCCESS)
                {
                    throw new Win32Exception();
                }
            }
            finally
            {
#if FEATURE_TRACESWITCH
                Debug.WriteLineIf(_processTracing.TraceVerbose, "Process - CloseHandle(processToken)");
#endif
                if (hToken != null)
                {
                    hToken.Dispose();
                }
            }
        }