>My problem is:
>addobjet(oFrm,frm,@Prm1)
>I would like that a variable PARAMETER went PUBLIC for all Form.
>Because I think that The PARAMETER only are visibles for method INIT.
>I need change Prm1 in all the Form.

You might want to create a property in your master class and do oApp.myProperty=Prm1. Then you can see it everywhere in your application.