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

        protected void UnknownAttribute(object o, XmlAttribute attr, string qnames)
        {
            if (_events.OnUnknownAttribute != null)
            {
                int lineNumber, linePosition;
                GetCurrentPosition(out lineNumber, out linePosition);
                XmlAttributeEventArgs e = new XmlAttributeEventArgs(attr, lineNumber, linePosition, o, qnames);
                _events.OnUnknownAttribute(_events.sender, e);
            }
        }