[python-win32] Problem : COM with Array Argument

[Tim Roberts]

Rand Batchelder wrote:
> I ran makepy on the DesignCad 20 type library.
>
> I get Type mismatch errors with the function GetPoints:
> ...
>     def GetPoints(self, iStartIndex=defaultNamedNotOptArg,
> iCount=defaultNamedNotOptArg, pXYZArray=defaultNamedNotOptArg):
>         return self._ApplyTypes_(15, 1, (2, 0), ((2, 1), (2, 1),
> (24581, 3)), u'GetPoints', None,iStartIndex
>             , iCount, pXYZArray)
> """
> I tried Ent.GetPoints(1,1, d)
> where d is a list of 3 floats,
>
> I get the following errors:
> Traceback (most recent call last):
> ...
>   File "C:\Python27\lib\site-packages\win32com\client\__init__.py",
> line 456, in _ApplyTypes_
>     self._oleobj_.InvokeTypes(dispid, 0, wFlags, retType, argTypes,
> *args),
> com_error: (-2147352571, 'Type mismatch.', None, 3)

There's not an awful lot we can do here.  Type code 24581 is a COM safe
array of doubles, passed by reference.  That seems to be what the
documentation shows.  You'd sure your values were all floats?

-- 
Tim Roberts, timr at probo.com
Providenza & Boekelheide, Inc.