On Tue, 27 Jun 2000, Roger Chaplin wrote:
> "Ben Combee" <[EMAIL PROTECTED]> wrote in message
> news:15511@palm-dev-forum...
> >
> >
> > "Danko Radic" <[EMAIL PROTECTED]> wrote in message
> > news:15507@palm-dev-forum...
> > >
> > > What's the best technique to detect exiting from opened popup form when
> > > application is switched to another one (ie. Calc hardkey is pressed)?
> I'd
> > > like to close my fields and store data. Should I catch winExitEvent or
> > > keyDown on hardkeys..?
> >
> > Make an invisible (unusable) button your default button in the popup --
> when
> > the "calc" key is hit, the default will be pressed to close the window --
> > you can detect that from the FrmDoModal return value and do appropriate
> > things.
> >
> > I've not tried this, but it seems like it could work.
>
> Yes, it does seem as though it would work. OTOH, if the form has an event
> handler, just be sure to handle the frmClose event. When you hit the Calc
> silkscreen key (the example given above), Palm OS sends your app an appStop
> event. When your app receives this event, it should be calling
> FrmCloseAllForms() on its way out. That will send the frmClose event to all
> open forms, and there you go!
>
> I've used this technique in my apps with good success.
Your're right. Popup really does catch appStopEvent as well as
frmCloseEvent when app is switched to another one. Funny I missed that..
Thanks!
Rgds,
-DR
--
For information on using the Palm Developer Forums, or to unsubscribe, please see
http://www.palmos.com/dev/tech/support/forums/
