> <etc>
> finally
> dsql.EndBusy;
> end;
> IB_Transaction1.Commit;

The only difference between this and the way I have it is there are two
flickers with this instead of one.

There is no difference to placing the Commit just prior to the finally
token. If there is an exception prior to the Commit it will be skipped and
not executed.

FWIW,
Jason Wharton
CPS - Mesa AZ
http://www.ibobjects.com