about backgroundbehaviour and message passing

[Rodney Tamblyn]

On Monday, September 8, 2003, at 02:34 AM, Dar Scott wrote:

>
> On Monday, September 8, 2003, at 01:44 AM, Rodney Tamblyn wrote:
>
>> Your comments on the above solution & whether there is a better way 
>> to achieve what I want would be of interest.
>
> I think this is a general problem for all controls, whether groups or 
> not, whether shared or not.

Yes but it's particularly relevant to groups I think, because they 
represent logical collections of controls.

>
> You might consider 'send "openControl" to * in -1' in preOpenCard at 
> the stack script where * doesn't work but reminds you to make a loop.  
> This means that groups get them more than once and the target should 
> be checked in their handlers (if they have them).
Yes this is a variation on the approach I used until now. I removed 
discussing this from my posting because it was already getting long and 
complicated!  I think that temporarily setting backgroundbehavour is 
superior because you avoid the duplicate message scenario.

>  This way your 'list' is those controls with the defined handler.  I 
> don't know if these will execute before or after openCard.
>
> (BTW, some groups do not see the background behind the card in the 
> message path.)
Yes, all groups that do not have their backgroundbehavour enabled, 
right?

Rodney


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Rodney Tamblyn
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