>Hi !
>
>I was wondering if it was possible to modify a base class of visual foxpro. In concrete, I would like to modificate the commandbutton's base class to add a new property and a new method, so my software will be updated upon compiling. Is this possible ?
>
>Many thanks,
>
>An Michel R.

As Nancy mentioned, you cannot modify the base classes. What she did not mention is that you have options to specify exactly which object from your own class library are mapped to field types under Tolls/Options/Field Mapping.