Re: QueryInterface failure.

From:
"Alexander Nickolov" <agnickolov@mvps.org>
Newsgroups:
microsoft.public.vc.atl
Date:
Thu, 15 Jun 2006 11:24:49 -0700
Message-ID:
<u09j9jKkGHA.4224@TK2MSFTNGP05.phx.gbl>
In VC 7.0 and later the ATL appwizard creates a proxy/stub DLL
project in the solution instead.

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

"Sandy" <sk9000@gmail.com> wrote in message
news:1150388060.511568.327640@f6g2000cwb.googlegroups.com...

Probably you have not registered the proxy/stub dll for the interface
which is required for cross-apartment marshalling.

This would not have been an issue when your object was in a dll beacuse
then the object would have been created in the same apartment as the
client's, hence no marshalling dll required.
With out-of-process object, the marshalling dll is required.

If you used the VC wizard to build your COM dll/exe, then it may have
created the make file (something like ...ps.mk) to generate the proxy
stub dll for your interface. Just build this make file and register the
dll using regsvr32. That should do.

regards

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