Again with the start using.

[Rob Cozens]

>If your library wants a call to darsPreopenCard whenever any card in 
>any stack is opened from a developer's standalone or stack, your 
>documentation should tell the developer to place the call in their 
>script

...or to pass preOpenCard, as you said originally.

I guess so long as you communicate this to the developer, it works either way.

But not intercepting standard system messages seems safer in the 
event that your admonition is lost or forgotten.

Rob Cozens
CCW, Serendipity Software Company
http://www.oenolog.net/who.htm

"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)