Hi Helen,

> I'd maintain
> form-level properties, e.g. DSLastFocused and FocusedDS, that get updated
> on the OnGainFocus and OnLoseFocus events.

This would work too, but if you have a form with lots of datasources,
you have to generate the above events for each one of them.

In that case, having a global 'OnDataSourceFocusChange' event in the
session object would be very convenient and elegant, don't you agree?


Christian