>>Have you tried passing the reference parameters as reference parameters? I realise in this situation it really shouldn't make a difference, but...
>
>Hi Alan
>
>I think i tried most tricks except possibly rewriting the whole
>application with vfp or delphi!
>
>Would that be possible to create a minimal ocx interface in say delphi
>that would be used as an interface to the dll?
>
>François

Well, if it really doesn't appear to work in VFP and you can do it in VB (I seem to recall you said that), then why not create a vb com object and call that with VFP. Seems a bit roundabout, but it might be worth a shot.

Alan