>If you're sure oApp object exist, you can you more quick way that 'type' function:
>IF PEMSTATUS(oapp,'otoolbar',5)
> oapp.otoolbar.cmdedit.enabled=.f.
>ENDIF
> (suggested that you need to ckeck for toolbar, not a button that is part of toolbar).

Not to be a PITA but, in addition to the above, you should check whether otoolbar is an object using PEMSTATUS(oapp,'otoolbar',3). If not, otoolbar could be a property, in which case the Enabled setting would throw an error.

*snip*