If the button is invisible, how is the user going to know they can press Alt+S?

>Hi,
>Is there a way to make invisible buttons behaviour like standard buttons for hot keys?
>For example, when I have a

button.caption = "\<Search"

- then Hot key is ALT+S.
>In case with vfp standard button - when I press ALT+S - its automatically starts CLCK() event.
>In case with invisible button - its just set focus to the button and raise no click event.
>
>Any ideas,
>Thanks
>Denis