On 24-Aug-07 21:08, [EMAIL PROTECTED] wrote:
> I assume the event is handled by TWO receivers: The first is the one
> created by ShowEvents(), the second one is your object that has the
> PLCSimStateChanged method you quoted above.
>
> Returning 0 from the PLCSimStateChanged method is correct (the return
> value is a HRESULT which is a 32-bit integer value, 0 is S_OK which
> means everything worked). In this case, only the method in the event
> handler of ShowEvents raised the exception; in the second case where you
> returned 'None' two exceptions are raised.
>
> Looking at the code it seems that some code in the comtypes.client._events
> module is buggy: can you please change line 164 from this code:
>
> mth = getattr(sink, name, lambda self, this, *args: None)
>
> to this code:
>
> mth = getattr(sink, name, lambda self, this, *args: 0)
>
> and try again?
>
> Thomas
>
That change did not give me anything visibly different.
However, your remark about ShowEvents set me thinking, and I changed the
following:
after comtype.client._events.py, line 197:
print "Event %s(%s)" % (name, ", ".join([repr(a) for a in
args]))
I added a line
return 0
to make the generic event handler return S_OK instead of None. No error
messages any more. Perhaps for 0.3.2.1? :-)
Cheers,
Len.
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