System.Xml 2.0.0.0 4.0.0.0 System.Enum To be added. Specifies the method used to serialize the output. Field 2.0.0.0 4.0.0.0 System.Xml.XmlOutputMethod Use the XSLT rules to choose between the and output methods at runtime. Field 2.0.0.0 4.0.0.0 System.Xml.XmlOutputMethod Serialize according to the HTML rules specified by XSLT. Field 2.0.0.0 4.0.0.0 System.Xml.XmlOutputMethod Serialize text blocks only. Field 2.0.0.0 4.0.0.0 System.Xml.XmlOutputMethod Serialize according to the XML 1.0 rules.