>>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.

I sent similar note to Brainbench tests feedback for their test related to PEMStatus, but seems it is not so important. Just because you usually know exactly in your application that oToolbar cannot be something other than object ;)