On 24/03/2012 6:24 PM, shuwj wrote:
hi,
I'm writing an addin for ms word 2010. It will show a tab named JJ in
which there are two buttons. one labels doo, the other labels doo2.
doo2 should be displayed with customization image(edit.png) but don't
show as expected.
debugging with pythonwin trace collector debugging tool. there's a
exception as following:
--------------------------------------------
in _GetIDsOfNames_ with '(u'GetImage',)' and '2048'
in _Invoke_ with 1001 2048 1 (<PyIDispatch at 0x07052048 with obj at
0x03D51050>,)
0
0
0
c_void_p(111734808) ddd
pythoncom error: Python error invoking COM method.
TypeError: Objects of type 'c_void_p' can not be converted to a COM VARIANT
(but obtaining the buffer() of this object could)
---------------------------------------------
can anybody give me some helps?
I believe a c_void_p is a ctypes construct which aren't supported by
pywin32. You need to convert it to a "normal" Python type. I'm
guessing it is binary data, so in py2k, you should be able to simply use
buffer(some_string_object). The error message seems to imply you may
even be able to use buffer(c_void_p_object), but I don't know how they
work well enough to suggest that will actually work.
Mark
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