int __fastcall GetBlobFieldData(int FieldNo,
      System::DynamicArray<System::Byte> &Buffer)

Usage

Call the GetBlobFieldData method to read BLOB data from the field specified by FieldNo direcctory into a buffer. The buffer is a dynamic array of bytes, so that it can grow to accommodate the size of the BLOB data. The GetBlobFieldData method returns the size of the buffer.