enum DataType { kUnknown = 0x00, kLong = 0x01, kDouble = 0x02, kString = 0x04, kDate = 0x08, kPoint = 0x10, k3dPoint = 0x20, kObjectId = 0x40, kBuffer = 0x80, kResbuf = 0x100, kGeneral = 0x200, kColor = 0x400 };