Thanks, Fabio.

>On VFP:
>For not atomic controls value, like ( TextBox, EditBox, Spinner, DropDown ComboBox )
> Valid execute, before lostfocus, when the user try to lose the focus;
>For atomic controls value, like ( CheckBox, LisBox, CommandButton, DropDown List, ... )
>Valid execute after any user interction with the control.
>
>Fabio