Re: ATL Com

From:
"Alexander Nickolov" <agnickolov@mvps.org>
Newsgroups:
microsoft.public.vc.atl
Date:
Thu, 25 May 2006 09:53:09 -0700
Message-ID:
<On550uBgGHA.1456@TK2MSFTNGP04.phx.gbl>
Oh, you can ask VC6 question here alright. However, bear
in mind that for most people here VC6 is by now a distant
memory. I stopped using it over 2 years ago, and I'm a slow
adopter...

You can add interfaces to a coclass after you create it. In
fact that's all you can do if you do not want to define any
new interfaces for your object - use the wizard and then
clean up after it deleting the interface it created in the process
and implementing the interfaces you need instead.

ATL has a wizard for implementing an interface from a type
library, but I've never really used it. Partly because the
interfaces I tend to implement are not described in type
libraries I guess, though I like the trusty text editor too :)...

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

"Roberto Carcione" <roberto.carcione@ampersoftware.it> wrote in message
news:eAXgYK9fGHA.3364@TK2MSFTNGP05.phx.gbl...

Hi Alexander,

thanks for the answers, but:
VC6 is deprecated from the point of view of this newsgroup or in general?
because if in general there are a lot of persons use this environment.

editor for adding additional interfaces. Note it doesn't make
sense to create your reusable interfaces at the same time you
are creating a coclass. And a coclass doesn't need more than a
single non-reusable interface, so you shouldn't be inconvenienced
at all...

yes you are right when you say "...more than a single..." but my objective
was to have for a single coclass many interfaces
and i found only this path.

thanks anyway
roberto

"Alexander Nickolov" <agnickolov@mvps.org> wrote in message
news:uPiVz01fGHA.1264@TK2MSFTNGP05.phx.gbl...

For starters, VC6 is deprecated. Furthermore, the wizard you
are describing was already deprecated when VC6 was released
back in 1998.

The regular New ATL Object wizard only supports creating a
single interface. Beyond that, the IDE has a fully functional text
editor for adding additional interfaces. Note it doesn't make
sense to create your reusable interfaces at the same time you
are creating a coclass. And a coclass doesn't need more than a
single non-reusable interface, so you shouldn't be inconvenienced
at all...

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

"Roberto Carcione" <roberto.carcione@ampersoftware.it> wrote in message
news:OEwdtIyfGHA.4900@TK2MSFTNGP02.phx.gbl...

Hi at all,

i created an ATL com project from visual studio 6.0. After i created a

new

class (menu Insert/New Class), from an atl class and i specified, in
new
class dialog, 5 intefaces to create...
but Visual Studio 6.0 said me i could create maximum 3 interfaces...
Why this limitations? is ther somthing i don't know?

Roberto

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