Jeremy A <mailware@xxxxxxxxx> wrote:
>
> Hi all,
>
> I have a Tk problem.
>
> How do I update the cells in an HList Box?
>
> I have a routine that runs in a while loop, and includes the $mw->update().
> this loop is to refresh the HList box.
>
> my problem is that it does not work and i get an Tk error which starts like
> this
>
> "Tk::Error: element "0" already exists at .......................blahblahblah"
>
> I suppose this problem has to do with the $hlist->itemCreate() and
> $hlist->add() routine.
>
> Thanks in advance for any help.
>
You cannot have two HList items which have the same path (in this case
probably "0"). You have to delete the existing one and re-create a
new one, or try to use itemConfigure and entryConfigure to change an
existing entry.
Regards,
Slaven
--
__o Slaven Rezic
_`\<,_ slaven <at> rezic <dot> de
__(_)/ (_)____
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