Gabriel,

Ridiculous as it sounds, I don't think you can.

Robin Hammond
www.enhanceddatasystems.com

You can't get a list of keys for elements in a collection unless they match
the item stored in the collection.

Maybe a dictionary object from the scripting runtime would be better.  

Unfortunately, there is no way to read the keys of a collection.
You might consider using a Dictionary object.

Hi
I tend to hold the key, if i need it, as part of the object in the
collection. So a collection of text strings would now be two element
arrays - the first one the string and the second one the key.

regards
Paul