System.Xml.Serialization.XmlSerializationReader.ReadNull C# (CSharp) Method

        protected bool ReadNull()
        {
            if (!GetNullAttr()) return false;
            if (_r.IsEmptyElement)
            {
                _r.Skip();
                return true;
            }
            _r.ReadStartElement();
            int whileIterations = 0;
            int readerCount = ReaderCount;
            while (_r.NodeType != XmlNodeType.EndElement)
            {
                UnknownNode(null);
                CheckReaderCount(ref whileIterations, ref readerCount);
            }
            ReadEndElement();
            return true;
        }