System.Reflection.Metadata.PrimitiveSerializationTypeCode enum PrimitiveSerializationTypeCode Documentation Code Boolean = 2 Byte = 5 Char = 3 Double = 13 Int16 = 6 Int32 = 8 Int64 = 10 SByte = 4 Single = 12 String = 14 UInt16 = 7 UInt32 = 9 UInt64 = 11