System.Xml.XmlReader.CheckElement C# (CSharp) Method

        internal void CheckElement(string localName, string namespaceURI)
        {
            if (localName == null || localName.Length == 0)
            {
                throw XmlConvert.CreateInvalidNameArgumentException(localName, nameof(localName));
            }
            if (namespaceURI == null)
            {
                throw new ArgumentNullException(nameof(namespaceURI));
            }
            if (NodeType != XmlNodeType.Element)
            {
                throw new XmlException(SR.Xml_InvalidNodeType, this.NodeType.ToString(), this as IXmlLineInfo);
            }
            if (LocalName != localName || NamespaceURI != namespaceURI)
            {
                throw new XmlException(SR.Xml_ElementNotFoundNs, new string[2] { localName, namespaceURI }, this as IXmlLineInfo);
            }
        }