Re: self-extending subfile and multiple selection?

Hi!

I want to thank all the people who answered to my question about subfiles.
The solution I will implement will certainly use some of your suggestions,
especially the one about keyed data queue. The only problem is: I miss time
to do it right now. I have only 3 days to produce a useable version of the
application. So I keep your suggestions for a further development step
(improving the existing application).

Again, thanks all for your help

Charles St-Laurent

"Marco Velazquez" <marco.velazquez@xxxxxxxxx>
a écrit dans le message de
news:30504fc0603221234y7a087843u835c568237d27611@xxxxxxxxxxxxxxxxx
> Charles,
>
> I believe this article illustrates using data queues to accomplish what
you
> want.
>
> http://www.itjungle.com/mpo/mpo052302-story05.html
>
> I hope it helps,
>
> Marco.
>
>
> On 3/22/06, Charles St-Laurent
<dringpiece@xxxxxxxxxxx> wrote:
> >
> > Hi!
> >
> > I read an article about self-extending subfile to navigate through data.
> > The
> > technique looks quite simple. Each time the user press the PageDown key,
> > or
> > the alternate key associated to the PageDown action, the program takes
the
> > control and fills the next subfile page. But if the user press the
PageUp
> > key, the system handles it.
> >
> > There is limitations about this technique. The number of records the
> > subfile
> > can contain is still limited to 9999. What if my file contains about 300
> > 000
> > entries and a maniac user tries to scroll down to the end of the file?
> >
> > In the other hand, if I use a subfile with SFLSIZ = SFLPAG, how can I
trap
> > multiple selection in the subfile. I mean, what if the user selects a
> > record
> > in one page, press the PageDown key, and selects another record in that
> > page? If I clear the subfile each time the user press the PageUp or
> > PageDown
> > key, the READC won't see the selected records from the previous pages,
> > only
> > the ones in the current page, isn't it?
> >
> > What's bugging me is the limited size of a self-extending subfile and
the
> > case of a multiple selection between pages. Is there a way to have a
> > self-extending subfile that can be greater than 9999 records and handles
> > the
> > selection of multiple records through different pages?
> >
> > Charles St-Laurent
> >
> >
> >
> > --
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