Please be more specific with your question.
Tell us more about what you are doing.
I also recommend you get an upgrade to IBO if you are on 4.0.
I am soon to release 4.5 and we are at 4.3.

Jason Wharton

> -----Original Message-----
> From: Vincenzo Scarpellino [mailto:vincenzoscarpellino@...]
> Sent: Tuesday, November 02, 2004 4:57 AM
> To: IBObjects@yahoogroups.com
> Subject: [IBO] Thread - Explict Logic Transactions
>
> Which is best mode in a thread to do an explicit transaction
> with a RollBack when error occur ?
>
> procedure TEurStampaThread.Execute;
> begin
> PostMessage(Handle, WM_NULL, 0, 0);
>
> with FormStLGThread do
> begin
> QueryPNO.Open;
> end
> end;