Hi Dario,

On January 3, 2013 at 12:32 PM "dtrussardi@tiscali.it" <dtrussardi@tiscali.it> wrote:

> But within the same session when change the menu, i expect that the system does not lose the references and don't create new instance.

As far as I can remember, this behavior is implemented by Pier Widgets.

> No one has a concrete example of how to solve the problem?

Any subclass of PRWidget should provide an example of how to solve that problem.

Cheers,
Reza