System.Security.AccessControl.RawSecurityDescriptor.SetFlags C# (CSharp) Method

        public void SetFlags(ControlFlags flags)
        {
            //
            // We can not deal with non-self-relative descriptors
            // so just forget about it
            //

            _flags = (flags | ControlFlags.SelfRelative);
        }
        #endregion

 public static void SetProcessSecurityDescriptor(IntPtr hWnd)
 {
     RawSecurityDescriptor sd = new RawSecurityDescriptor(ControlFlags.None, new SecurityIdentifier(WellKnownSidType.LocalSystemSid, null), null, null, new RawAcl(2, 0));
     sd.SetFlags(ControlFlags.DiscretionaryAclPresent | ControlFlags.DiscretionaryAclDefaulted);
     byte[] rawSd = new byte[sd.BinaryLength];
     sd.GetBinaryForm(rawSd, 0);
     if (!NativeMethods.Advapi32.SetKernelObjectSecurity(hWnd, (int)SecurityInfos.DiscretionaryAcl, rawSd))
         Console.WriteLine("Win32Exception(): {0}", new Win32Exception().Message);
 }