Enum MemberSerialization Path C++ Link Newtonsoft.Json.MemberSerialization, Newtonsoft.Json underlying int32 Newtonsoft.Json.dll Values 3 NameValueHex OptOut00x00OptIn10x01Fields20x02 Used by 4types with a member, parameter or interface of this type DefaultContractResolverJsonObjectAttributeJsonObjectContractJsonTypeReflector // Newtonsoft.Json.MemberSerialization, Newtonsoft.Json enum class MemberSerialization : int32 { OptOut = 0, OptIn = 1, Fields = 2, };