Re: How to get Interface reference counting in ATL

From:
"Alexander Nickolov" <agnickolov@mvps.org>
Newsgroups:
microsoft.public.vc.atl
Date:
Thu, 8 Jun 2006 10:19:42 -0700
Message-ID:
<eJ0B8#xiGHA.456@TK2MSFTNGP05.phx.gbl>
There's no way to determine the reference count on an interface
pointer. Documented or undocumented - it just doesn't exist.
I suggest you stop using raw pointers - then you can detect
reference leaks using the smart pointers' own tracking capabilities.

--
=====================================
Alexander Nickolov
Microsoft MVP [VC], MCSD
email: agnickolov@mvps.org
MVP VC FAQ: http://www.mvps.org/vcfaq
=====================================

"Jaime Stuardo" <JaimeStuardo@discussions.microsoft.com> wrote in message
news:469D916F-F59A-4E36-9A00-59253E20925E@microsoft.com...

Hi all..

For debug purposes I need to know if all interfaces I instantiate during
execution of my program are freed because I realized that some processes
that
are run when I instantiate interfaces continue running after all
interfaces
are released, so I have to identify what interface isn't being freed (I'm
not
always using smart pointers).

Is there an API to get current reference counting for an interface?

By the way, I instantiating interfaces this way:

OO4O::OraDynaset * piDynaset = NULL;
m_piDatabase->GetCreateDynaset(T2COLE(lpszSQL),
0)->QueryInterface((OO4O::OraDynaset **)&piDynaset);

GetCreateDynaset method returns an IDispatchPtr.

I'm releasing that interface this way:

               piDynaset->Release();
               piDynaset = NULL;

Thanks
Jaime

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