The Application.ProcessMessages does the job.
Thanks for all
Ricardo
At 10:55 3/5/2006, you wrote:
Try a
Application.ProcessMessages;
between the using of the components (setting the label caption, or filling
the combobox) and the TProcess.Execute.
Good luck!
Horacio Jamilis
[EMAIL PROTECTED]
----- Original Message -----
From: "Arí Ricardo Ody" <[EMAIL PROTECTED]>
Subject: [lazarus] Screen updating during TProcess execution
> I mounted a listbox with a list of files. In a
> For loop that treat each file in the listbox I
> execute a TProcess that runs an external program
> that do some processing over this file. After the
> TProcess.Execute I call TProcess.WaitOnExit method.
>
> Before TProcess.Execute I switch the selected
> property of the listbox item to true. In this
> way, the items that are still processed will
> appear selected in the listbox. The listbox
> appears with all items selected only after the
> For loop ends. I create a 2nd listbox and try to
> add the item I will process just before call the
> Execute method. The same thing occurs: The second
> listbox appears filled only after the For loop
> ends(or the method where the For loop is, ends
> itself). Finally I try to alter the caption
> property of a TLabel just after call Execute Method. Again it didn't run
ok...
>
> May someone explain me how to solve this trouble?
>
> Greetings from São Paulo - Brazil
>
> Ricardo
>
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