Jason,

> No, it simply invalidates all records in the buffer. Rows are fetched in
> again only as needed.

Sounds ok. I'll give it a shot with the Monitor's help.

> It seems as if you are asking if there is a way to hack the internal memory
> contents of the buffer?

Perhaps more precisely, a way to invalidate single columns... But I can
surely live without that!
Thanks
--
____
_/\/ando