Paul, et al,
>If you care to send me your stacks privately, I will test it here.
Spurred on by Ken's assertion that it couldn't be done, I spent the
last 90 minutes trying to prove him wrong...and failed.
* I built a two card stack with three buttons with icons on the first
& one button with an icon on the second.
* I added two radio buttons to card 1 that switch between one image
library and the other.
* I created two image library stacks, "x2" and "x3". X2 contains
three images; x3 contains four, with the first three having the same
ids as the three in x2. The icon on the button on card 2 is set to
the id of the fourth image in x3.
* alwaysBuffer is false for all stacks & images, and destroyStack is
true for both image libraries
* If I don't start using library x3 before going to card 2, the
button icon on card 2 is empty. Once I start using x3, the icon
appears on card 2, and remains after I close x3 and start using x2 again.
* I have tried simply stop using a library stack and actually closing
it...which should remove the images from RAM--no go
* I have tried setting the icon to empty and resetting it--nada also
I conclude that the imageData for icons is stored somewhere at
runtime -- despite alwaysBuffer being false -- and, one resolved, Rev
keeps it separate from the stack data.
I'm curious whether this would have worked in the HyperCard runtime
environment; but not curious enough to spend more time on it now.
Rob Cozens CCW
Serendipity Software Company
"And I, which was two fooles, do so grow three;
Who are a little wise, the best fooles bee."
from "The Triple Foole" by John Donne (1572-1631)
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