Hi Fabio

>A gray tick ? themes = .F.
>
>are you sure ?

I have W2K, probably that's why. I fact I see the gray checkbox even with your code.

>I can't see this behavior, and checkbox.value cannot to become a character.

Then I presume is it something to do with my framework CodeBook. I will have to double check now.

>Attention,
>a bug exixts, when value is a logical, CTRL+0 show a Gray tick, but checkbox.value become .T., not null

Yes, this I noticed. Can you put this up with MS for VFP9 SP2?

Thanks for your response.