>>>>You have to issue NODEFAULT in the QueryUnload event if you want to prevent a form from closing.
>>>>
>>>That's probably the first time in UT history when two messages have the exact same time of posting.
>>
>>Message ID removes this ambiguity!
>
>Good thinking, Fabio! Especially if this is in GUID :)

But we know that UT uses integer keys, from the UT web service, or back in the time, UT Navigator.