From: Chuck Remes <cremes.devlist@...>
Date: 2010-04-08T10:51:12+09:00
Subject: Re: Complicated output parameter in WIN32OLE

On Apr 7, 2010, at 8:05 PM, Mitchell Hashimoto wrote:

> Hello,
> 
> I have a somewhat "complicated" output parameter I need to get via
> WIN32OLE and I'm having trouble getting it correct. The method signature
> is as follows:
> 
> void GetDescription (out VirtualSystemDescriptionType[] aTypes, out
> wstring[] aRefs, out wstring[] aOvfValues, out wstring[] aVBoxValues,
> out wstring[] aExtraConfigValues)
> 
> I'm able to get basic string output parameters fine, but as soon as I
> hit this method, I was stumped. How am I supposed to query this method
> via the 'win32ole' library. My initial attempts were failures:
> 
> object.GetDescription(0, 0, 0, 0, 0) # Errors type mismatch
> object.GetDescription([], [], [], [], []) # Errors type mismatch
> 
> I'm fairly certain I'll have to use object._invoke directly here but I'm
> not sure what types to put into the types array. I have the win32ole.c
> file open and I'm looking at the various types which are defined but I'm
> not sure which to try.

I'm not sure what to do here either. Have you tried retrieving the WIN32OLE_METHOD and then looping through each param and asking its #ole_type?

Check out WIN32OLE_PARAM.ole_type for the general idea.

cr