>You may be right. In that article I see that SendMessage is used. I also found an article that suggests PostMessage, rather than SendMessage. It is Delphi code: http://www.undu.com/Articles/990427c.html
>
>I wonder if anyone is prepared to write some equivalent vfp-code.
>

You'll have to wait for VFP9 which will allow to work with Windows Messages using BindEvents().