System.Xml.XmlTextReaderImpl.ThrowTagMismatch C# (CSharp) Method

        private void ThrowTagMismatch(NodeData startTag)
        {
            if (startTag.type == XmlNodeType.Element)
            {
                // parse the bad name
                int colonPos;
                int endPos = ParseQName(out colonPos);

                string[] args = new string[4];
                args[0] = startTag.GetNameWPrefix(_nameTable);
                args[1] = startTag.lineInfo.lineNo.ToString(CultureInfo.InvariantCulture);
                args[2] = startTag.lineInfo.linePos.ToString(CultureInfo.InvariantCulture);
                args[3] = new string(_ps.chars, _ps.charPos, endPos - _ps.charPos);
                Throw(SR.Xml_TagMismatchEx, args);
            }
            else
            {
                Debug.Assert(startTag.type == XmlNodeType.EntityReference);
                Throw(SR.Xml_UnexpectedEndTag);
            }
        }