Wow! Find that one in the documentation -:)
> From: "Geoff Canyon" <[EMAIL PROTECTED]>
> Reply-To: [EMAIL PROTECTED]
> Date: Wed, 20 Sep 2000 08:51:43 -0700
> To: [EMAIL PROTECTED]
> Subject: An interesting problem solved
>
> I came across an interesting problem, and Kevin helped me solve it (thanks,
> Kevin!) so I thought I would post the solution here.
>
> The problem is the way background messages get passed when you have more
> than one background/group on a card. That's openBackground, closeBackground,
> and preOpenBackground. They go to the card first, and then to each
> background in turn, from highest to lowest, and then on up through the
> stack(s). Regardless of which background is opening/closing, they all get a
> shot at it. The target is the card, so how do you know _which_ background is
> opening or closing?
>
> The answer Kevin gave me was that these messages actually have a parameter,
> which contains the id of the background that caused the message. So
> something like the following will do the trick:
>
> on openBackground whichOne
> if whichOne is the id of me then
> --the background containing this script
> --caused the message. Do stuff here
> else
> --this background didn't cause the message;
> --let something else handle it
> pass openBackground
> end if
> end openBackground
>
> Regards to all,
>
> Geoff Canyon
>
>
>
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