function GetBytes(Ordinal: TInt32; Offset: Int64; const Value: TBytes; ValueOffset: Int64; Length: Int64; var IsNull: LongBool): Int64; virtual; abstract;

virtual __fastcall Int64 GetBytes(TInt32 Ordinal, Int64 Offset, const TBytes Value, Int64 ValueOffset, Int64 Length, LongBool IsNull) = 0;