p.s.

> and look here: http://moi.maxsm.net/api/ sortBySelectionOrder:-)

Maybe this is going in the right direction!

Certainly i will give a look at it.

But i'm looking for a way to use "ordering" rules in general, inside Nodeeditor also,
as i explained in my previous post with the example of the PoinArray node.

Anyway thank you very much for your suggestion.

Marco (mkdm).