Enum Use Path C++ Link System.Xml.Schema.SchemaDeclBase.Use, System.Xml underlying int32 System.Xml Values 5 NameValueHex Default00x00Required10x01Implied20x02Fixed30x03RequiredFixed40x04 // System.Xml.Schema.SchemaDeclBase.Use, System.Xml enum class Use : int32 { Default = 0, Required = 1, Implied = 2, Fixed = 3, RequiredFixed = 4, };