At 08:01 PM 3/07/2008, you wrote:

>Thanks Helen for the usual comprehensive answer. Yes, it does address
>the question very well.
>
>It does seem a pity that one can't directly access the symbolic names
>(and text) of custom exceptions that are in the DB as this would
>appear to offer a robust way of centralising error handling &
>messaging, regardless of the front end being used.

You do get the text. Read ErrorMessage[0] from the EIB_ISCError structure.

The engine doesn't send the symbolic names of the system-thrown exceptions either. That's why their declarations are in the API header. ;-)

Helen