On 2013-06-30, at 17:57 , Juraj Ivan?i? wrote:

There is an 'add' overload which accepts shared_ptr. This one does not add grouping.

I hadn't noticed that. My bad. This is exactly what I needed. Solved everything for now. I thought knowing what actually solved my problem might be good to share on the mailing list. Hope this is appropriate. Sorry if it isn't.

you get double delete crash.

I hadn't thought of that. Proves I'm a physicist first and a programmer second ! Thanks for your explanation. Hopefully makes me better. Again, thanks for your time. Ghyslain