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
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