> What this means is you only want a single event notification if field
> change(s) take place and so if multiple fields were changed then instead of
> sending a pointer to a field object it just sends a nil because there isn't
> a way to distinguish each of them in a single event invocation.

It's not clear to me, why only want a single event invocation? When two
fields changed, why should the event not fire two times?

BTW, it would be very helpful, when this behavior is mentioned in the
help file.

Regards

Guido