System.Xml.Serialization.XmlSerializationWriter.WriteElement C# (CSharp) Method

        private void WriteElement(XmlNode node, string name, string ns, bool isNullable, bool any)
        {
            if (typeof(XmlAttribute).IsAssignableFrom(node.GetType()))
                throw new InvalidOperationException(SR.XmlNoAttributeHere);
            if (node is XmlDocument)
            {
                node = ((XmlDocument)node).DocumentElement;
                if (node == null)
                {
                    if (isNullable) WriteNullTagEncoded(name, ns);
                    return;
                }
            }
            if (any)
            {
                if (node is XmlElement && name != null && name.Length > 0)
                {
                    // need to check against schema
                    if (node.LocalName != name || node.NamespaceURI != ns)
                        throw new InvalidOperationException(SR.Format(SR.XmlElementNameMismatch, node.LocalName, node.NamespaceURI, name, ns));
                }
            }
            else
                _w.WriteStartElement(name, ns);

            node.WriteTo(_w);

            if (!any)
                _w.WriteEndElement();
        }