Thanks Markus,
I'll use the info to try to figure out how things will work in my actual real world example. That involves the return of 4 or 5 arrays of strings and ints (horrible API I'm dealing with) Paul From: Markus Schaber [mailto:m.scha...@3s-software.com] Sent: Wednesday, March 30, 2011 12:42 AM To: Discussion of IronPython Subject: Re: [IronPython] Newbie InterOp-related question Hi, Paul, it's documented at http://ironpython.net/documentation/dotnet/dotnet.html#ref-and-out-parameters. The out parameter will be mapped as an additional return value. So if myComObj.foo returns void, a simple call like blah = myComObj.Foo() should do the trick. Grüße, Markus Von: users-boun...@lists.ironpython.com [mailto:users-boun...@lists.ironpython.com] Im Auftrag von Tilley, Paul Gesendet: Mittwoch, 30. März 2011 01:10 An: users@lists.ironpython.com Betreff: [IronPython] Newbie InterOp-related question Hi, I've just started using IronPython but have hit a bit of a roadblock. This may also be caused by inadequate .Net knowledge. In C# I can call a COM object (where the COM method is going to fill in the parameter) like so: object blah; myComObj.Foo(out blah); If for example the COM method returns an array of strings ( with the parameter VARIANT* in COM method signature) then in C# I get an object[] back which with appropriate massaging I can process. How would I declare the variable in Python if I want access the returned contents correctly? Knowing I was to get an array back I naively tried: blah = [] myComObj.Foo(blah) The call is made correctly - I can see the COM object is filling out the return parameter OK but blah remains an empty list. Any insights on what I should be doing more than welcome, Thanks, Paul
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