Enum XmlKnownDtds Path C++ Link System.Xml.Resolvers.XmlKnownDtds, System.Xml underlying int32 System.Xml Values 4 NameValueHex None00x00Xhtml1010x01Rss09120x02All655350xFFFF // System.Xml.Resolvers.XmlKnownDtds, System.Xml enum class XmlKnownDtds : int32 { None = 0, Xhtml10 = 1, Rss091 = 2, All = 65535, };