[python-win32] Win32com , how select coclass interface?

[Mark Hammond]

> I have a DLL that have several interfaces accociated
> with a CoClass, but there is one default interface.
>
> snip from my genpy generated .py file:
> ------------------------------
> from win32com.client import CoClassBaseClass
> # This CoClass is known by the name
> 'BK.BasicEnv.Application.RemoteAPI'
> class RemoteAPI(CoClassBaseClass): # A CoClass
> 	CLSID = IID('{5BC25821-4936-4E9E-9ACF-12E12ADDA9CC}')
> 	coclass_sources = [
> 	]
> 	coclass_interfaces = [
> 		I2250Instrument,
> 		IDisposable,
> 		I2250Control,
> 		IRemoteAPI,
> 		IRemoteInfo,
> 		I2250Connect,
> 		_Object,
> 		I2250Archive,
> 		I2250Export,
> 	]
> 	default_interface = IRemoteAPI
> --------------------
> This is the result of usage:
> >>> import win32com.client
> >>> q =
> win32com.client.Dispatch("BK.BasicEnv.Application.RemoteAPI")
> >>> q
> <win32com.gen_py.Env Programming Interface.IRemoteAPI
> instance at 0x15301248>

It should be possible to use win32com.client.CastTo - something like:

q = win32com.client.CastTo(a, 'IRemoteAPI')

Should work.  Otherwise, a 'normal' QI would also work, but obtaining the
IID for the interface is a little tricky...

Mark