On 22/05/2010 12:15 AM, George Doster wrote:
Hello All,

I'm trying to write a Python program that uses a provided ActiveX
component. I have verified the component works ok with Visual Basic.

I have used makepy to build the import module for my ActiveX component.

I can successfully load the component via the ActiveXCtrl class found in
wxPython.

My issue is how to call one of the methods of the ActiveX component. The
method requires a pointer to a variant.

Excerpt from the makepy created module:

def OpenUSB(self, lWarning=
defaultNamedNotOptArg):
         return self._oleobj_.InvokeTypes(1, LCID, 1, (3, 0), ((16387,
0),),lWarning)

As you can see, the first arg is a VT_BYREF | VT_I4.

You should find that you don't need to supply the argument at all - win32com should initialize and provide the param for you and return the final result in the return value - assuming the param is an 'out' param.

Cheers,

Mark
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