Sandy Walsh schrieb:
> False alarm. It was a UBD (User Brain Damage) problem on my C++ side.
>
> Move along. Nothing to see here.
Great that you fixed it yourself. For the record: the different
behaviour between comtypes and win32com is most certainly explained
by the fact that comtypes uses the custom interface by default, and
win32com uses the dispatch interface.
Thomas
> -S
>
>
> Sandy Walsh wrote:
>> I have a piece of code that looks like this:
>>
>> control = CreateObject("ImpathVideo2.ImpathVideo2Ctrl")
>>
>> error = control.Connect(self.ip, self.port, self.host_ip)
>> error = control.Disconnect()
>>
>> error = self.control.Connect("10.0.0.0", 9999, "")
>> assertEqual(-2134704126, error) # We expect EC_CONNECT_FAIL
>>
>> The first call to Connect/Disconnect works fine (as expected), but the
>> second call is expected to fail.
>>
>> The IDL looks like:
>>
>> HRESULT Connect([in] BSTR streamIPAddress, [in] short
>> streamUdpPort, [in] BSTR hostIPAddress, [out, retval] long* error);
>>
>> The HRESULT is always S_OK and on failure, the error "out retval"
>> parameter is set.
>>
>> This works fine under win32com, but with comtypes the second Connect
>> gives a WindowsError
>>
>> WindowsError: exception code 0xe06d7363
>>
>> And no other details are given:
>>
>> Args: ('exception code 0xe06d7363',)
>> Message: exception code 0xe06d7363
>> StrError: None
>> Filename: None
>> WinError: None
>>
>>
>> Any idea why comtypes would be unhappy with returning this error but
>> win32com does the right thing?
>>
>> Thanks,
>> Sandy
>>
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>
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--
Thanks,
Thomas
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