Jean-Francois,
I don't know for sure, I'd try: .F., .T., 0, 1 OLE is pretty good at converting types.
>I can change the value for form field from vfp in word document using this command.
>
>oWord.activedocument.Formfields("fieldxx").result = "new value"
>
>But if I have a checkbox in word how i could change the value (active or not active) from vfp.