Specifies a set of blob fields, as follows:
- The Table property specifies the database table.
- The Field property specifies the blob field in the database table.
- The BlobTableKeySegments property specifies the records whose blob fields are to be updated or whose contents are to be retrieved.
For the LoadBlobFromFile and SaveBlobToFile methods, the FileName property specifies a file to which to save the blob content or from which to retrieve the blob content.
For the SetBlob and GetBlob methods, the blob content is contained in the Blob object.