From: Masaki Suketa <masaki.suketa@...>
Date: 2012-10-27T00:38:50+09:00
Subject: Re: Creating a pointer to SAFEARRAY(BSTR) for COM object communication

Hello,

On Fri, Oct 26, 2012 at 05:46:11PM +0900, Andreas Lundgren wrote:

> I have a hardware driver in DLL format that I would like to invoke from
> a Ruby script using the win32ole gem. One of the inputs is defined as a
> "SAFEARRAY(BSTR)*" is it possible to create such a pointer in Ruby?
> 
(snip)
> 
> ===== NOT WORKING =====
> This method however, I just cannot solve how to call:
> 
> HRESULT ICdfHandleManager::ListHandleTypes([in, out] long * Count,
> [in, out, size_is(*Count)] SAFEARRAY(BSTR)* HandleTypes )

How about Array of string?
For example:
   ["aaa", "bbb", "ccc"]

Or, you could get the hint of inputs by running following script.

   m = iCdfHandleManager.method_help('listHandleTypes')
   m.params.each do |param|
     puts param.ole_type_detail.join(',') + ' ' + param.name
   end

 Best Regards,
 Masaki Suketa