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

        protected void WriteXmlAttribute(XmlNode node, object container)
        {
            XmlAttribute attr = node as XmlAttribute;
            if (attr == null) throw new InvalidOperationException(SR.XmlNeedAttributeHere);
            if (attr.Value != null)
            {
                if (attr.NamespaceURI == Wsdl.Namespace && attr.LocalName == Wsdl.ArrayType)
                {
                    string dims;
                    XmlQualifiedName qname = TypeScope.ParseWsdlArrayType(attr.Value, out dims, (container is XmlSchemaObject) ? (XmlSchemaObject)container : null);

                    string value = FromXmlQualifiedName(qname, true) + dims;

                    //<xsd:attribute xmlns:q3="s0" wsdl:arrayType="q3:FoosBase[]" xmlns:q4="http://schemas.xmlsoap.org/soap/encoding/" ref="q4:arrayType" />
                    WriteAttribute(Wsdl.ArrayType, Wsdl.Namespace, value);
                }
                else
                {
                    WriteAttribute(attr.Name, attr.NamespaceURI, attr.Value);
                }
            }
        }