>>>I know there's an option to keep connection dialogs from
>>>popping up on errors: if I can find this, would it solve
>>>your problem, or are there more classes of problem to deal
>>>with?
>>I think dialogs are the main problem.
>>Vin Miller says sys(2335,0) is the key to this.
>>Is that what you were thinking of?
>
>Nope, that's not the one. There's a setting that's specific either to ODBC or SQL that keeps connection dialogs from popping up: the connect command just returns an error (-1) at that point.

You mean SQLSETPROP(0, "DispLogin", 3)?