Let's try other way. In the Object Browser copy GUID for that COM object into clipboard. Start Regit and search HKEY_CLASSES_ROOT for that GUID. ProgId under that key should give you name you're looking for.

>Sergey,
>
>Thanks, but you caught a typo in my message. I tried both of your suggestions, but no luck... It's like it doesn't recognize it, but the Object Browser has it in the list and I can see the PDF class within that as well. I just can't reference it...
>
>>I would try

oObject = CREATEOBJECT("PDF417LIB.PDF")
>>* or
>>oObject = CREATEOBJECT("PDF417LIB.PDF.1")
>>* but not
>>oObject = CREATEOBJECT("PDF471LIB.PDF")

>>