Alf P. Steinbach
3/2/2010 8:43:00 AM
* Steven Woody:
> Hi,
>
> I want to interactive with an OLE application with pywin32. The
> problem is I get totally no idea how to find the object in OLEView and
> how to figure out it's interface.
>
> With pywin32's example, I even don't understand that in the below statement,
>
> win32com.client.Dispatch('Excel.Application')
>
> that where the name 'Excel.Application' comes from? In OLEView
> (Microsoft's COM brower), I cannot find this name.
It's a "programmatic identifier" a.k.a. "progid".
It identifies a COM class and it's used as a readable but more
name-collision-prone alternative to the 128-bit UUID.
You can find the programmatic identifiers in the Windows registry (use e.g.
regedit); often they're not documented.
Cheers,
- Alf