when can I set a substack's properties?

[Charles Hartman]

Very, very nifty. It's making me think about redesigning the main- 
stack / complicated-dialog relation I'm working on. Many thanks.

Charles


On Aug 2, 2005, at 8:46 PM, Phil Davis wrote:

> Hi Charles,
>
> You can do a LOT with a substack without officially opening it.
>
> - I'm assuming you're talking about a substack of a stack that's  
> already open. If so, the substack is already in memory.
>
> - You can get/set its properties.
>
> - You can run its handlers by invoking them directly:
>   send "doSomething" to stack "sub1".
>
> - If you 'start using' the substack, you can use its image object  
> IDs as icon IDs of your mainstack buttons. (It'll sometimes work  
> even if you don't 'start using' it, but it'll *definitely* work if  
> you do.)
>
>
> You can do all these same things to any unopened stack. But in the  
> case of an unopened stack that's not already in memory, the first  
> thing that happens when you "touch" it in any way is that is gets  
> loaded into memory. This means you can preload stacks into memory  
> before opening them by just referencing something about them. Then  
> later when you "go to" them, the navigation doesn't take as long.  
> This can be helpful if you're going to a large stack.
>
>
> HTH.
>
> Phil Davis
>
>
>
> Charles Hartman wrote:
>
>> I'm not clear about when a substack "exists." I want to set some   
>> custom properties in a substack from a script in the main stack,  
>> and  it would be a lot handier if I could do it before issuing the  
>> "open"  command for the substack. It seems to work OK during my  
>> development  cycle in the IDE. But will it work (in a stack being  
>> run under the  Dreamcard Player) the first time out of the box? Or  
>> do I have to  issue an "open" command before Rev will know the  
>> substack exists, and  where to put stuff in it?
>> The substack is part of the stack file, so is it true that Rev  
>> knows  all about it, and properties (custom or built-in) can be  
>> set before  it's opened? The IDE's own evidence is kind of mixed:  
>> the Application  Browser knows the substack while it's closed, but  
>> the Inspector doesn't.
>> Charles Hartman
>>
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