It appears that the "universal gateway" support in pywin32 doesn't handle VT_RECORD. I doubt this would be hard to fix, but its not something I have time to look at in the short term. I'd suggest you open a bug at sourceforge, and/or let me know if you are interested in getting your hands dirty and trying to help fix it (but you will require a C++ compiler)
Cheers, Mark > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:python-win32- > [EMAIL PROTECTED] On Behalf Of Alexandr N Zamaraev > Sent: Friday, 15 February 2008 10:16 PM > To: python-win32@python.org > Subject: Re: [python-win32] How to work with Dispach callback? > > Mark Hammond wrote: > > I'd suggest passing 'useDispatcher=1' to com_wrap, so that debug > output is > > generated as your object is called (you can see it via the > win32traceutil.py > > tool). > Thank you for the reply. > > I'd made it in such way: > <code lang='python'> > class LocateCommandEvents(object): > _com_interfaces_ = [IID_ILocateCommandEvents] > _typelib_guid_ = '{CF9F97BF-39F2-4B8E-835C-8BE9E99DAF5B}' > _typelib_version_ = 8, 0 > _typelib_lcid_ = 0 > > _public_methods_ = [] > _dispid_to_func_ = { > 0x60020000: 'Accept', 0x60020001: 'LocateFailed', 0x60020002: > 'LocateFilter', 0x60020003: 'LocateReset', 0x60020004: 'Cleanup', > 0x60020005: 'Start', 0x60020006: 'Dynamics'} > </code> > after it and after editing in win32com.server.policy > (http://sourceforge.net/tracker/?func=detail&aid=1892592&group_id=78018 > &atid=551956) > > the call of > StartLocate has worked successfully. > > Now errors occur in calls to LocateCommandEvents.LocateFilter function > from MicroStation: > <code> > pythoncom error: Failed to call the universal dispatcher > > Traceback (most recent call last): > File "C:\Lang\Python\25\lib\site-packages\win32com\universal.py", > line 193, in > dispatch > WriteFromOutTuple(retVal, meth._gw_out_args, argPtr) > <type 'exceptions.TypeError'>: The VARIANT type is unknown (0x24). > pythoncom error: Unexpected gateway error > > Traceback (most recent call last): > File "C:\Lang\Python\25\lib\site-packages\win32com\universal.py", > line 193, in > dispatch > WriteFromOutTuple(retVal, meth._gw_out_args, argPtr) > <type 'exceptions.TypeError'>: The VARIANT type is unknown (0x24). > </code> > > Perhaps the reason of it is that ILocateCommandEvents turn out not > fully > compatible with IDispatch interfaces: > <code lang='IDL'> > [ > odl, > uuid(67CBDE4A-F073-11D4-A8E6-00508B4D8FED), > helpcontext(0x0000021a), > dual, > nonextensible, > oleautomation > ] > interface ILocateCommandEvents : IDispatch { > [id(0x60020000), helpcontext(0x0000001d)] > HRESULT Accept( > [in] _Element* Element, > [in, out] Point3d* Point, > [in] _View* View); > [id(0x60020001), helpcontext(0x00000025)] > HRESULT LocateFailed(); > [id(0x60020002), helpcontext(0x00000026)] > HRESULT LocateFilter( > [in] _Element* Element, > [in, out] Point3d* Point, > [in, out] VARIANT_BOOL* Accepted); > [id(0x60020003), helpcontext(0x00000027)] > HRESULT LocateReset(); > [id(0x60020004), helpcontext(0x00000020)] > HRESULT Cleanup(); > [id(0x60020005), helpcontext(0x0000002e)] > HRESULT Start(); > [id(0x60020006), helpcontext(0x00000022)] > HRESULT Dynamics( > [in, out] Point3d* Point, > [in] _View* View, > [in] MsdDrawingMode DrawMode); > }; > </code> > Point3d - struct, MsdDrawingMode - enum, declared in MicroStation > Typelib. > > Can you give me an advise in the case? > > > Its hard to tell though, as the MicroStation object is throwing a > > type error without providing any other information about what it is > upset > > about. You might want to check that MicroStation supports IDispatch > based > > event interfaces, otherwise you will need yet more magic to make > things > > work... > > > > Cheers, > > > > Mark > > > _______________________________________________ > python-win32 mailing list > python-win32@python.org > http://mail.python.org/mailman/listinfo/python-win32 _______________________________________________ python-win32 mailing list python-win32@python.org http://mail.python.org/mailman/listinfo/python-win32
