Hi!

Search API functions. You can ask for this in other forums specialized on API functions (most of them are C++). When you will find an API function call, you can use it in VFP. Take a look to the API section here to see how to use several API functions in VFP, you API function call will look similar (DECLARE command).

>In order to protect an application I thought to use the BIOS number, but somebody knows how to get this number in foxpro?
>Thanks a lot!