void UnknownAttribute(object o, XmlAttribute attr, string qnames) { int line_number, line_position; if (Reader is XmlTextReader) { line_number = ((XmlTextReader)Reader).LineNumber; line_position = ((XmlTextReader)Reader).LinePosition; } else { line_number = 0; line_position = 0; } XmlAttributeEventArgs args = new XmlAttributeEventArgs(attr, line_number, line_position, o); #if NET_2_0 args.ExpectedAttributes = qnames; #endif if (eventSource != null) { eventSource.OnUnknownAttribute(args); } }