preOpenStack

[Robert Brenstein]

On 07.09.2014 at 17:18 Uhr -0500 J. Landman Gay apparently wrote:
>
>It seemed non-intuitive to me too that you could put a preOpenStack 
>handler in a card, because the card wasn't open yet. That was 
>wrong-thinking. I asked Mark Waddingham about it some years ago and 
>he said that the entire stack has to load at once when it opens, 
>otherwise there would be no way a script could manage any of the 
>objects or card properties. The messages are sent in a specific 
>order, but in reality the entire structure is already in RAM before 
>the messaging starts.
>

It helps to mentally distinguish between loading the stack in memory, 
which happens before anything else as Jacqie says above, and 
rendering it on the screen, which is interwoven with certain messages.

RObert