>Can someone explain what this does, in laymans terms?
>
>SYS(2333)
>
>Thanks

ActiveX dual interface support is an ActiveX optimization that VFP supports. If the ActiveX supports dual interface, SYS(2333,1) will "turn on" VFP's optimization, if not, SYS(2333,0) will shut it off. Is that what you need, or are you looking for more info on AciveX dual interface support?