Re: Unhook all event handlers in FinalRelease()
My understanding is that attributed ATL is dropped. There
are really two reasons, and inability to get it right isn't one
of them. In my view, first Microsoft is not interested in
investing the resources necessary to get attributed ATL right
(we got a Beta version and no release candidate ever) and
second, there's not much customer need to warrant it (there's
rather strong opposition among the experts here against it,
myself included). My personal opinion is that attributed ATL
does more harm than good so good riddance...
--
=====================================
Alexander Nickolov
Microsoft MVP [VC], MCSD
email: agnickolov@mvps.org
MVP VC FAQ: http://vcfaq.mvps.org
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"Boris" <boris@gtemail.net> wrote in message
news:op.t09nq50s45fww6@burk.mshome.net...
On Sun, 04 Nov 2007 06:38:50 +0200, Alexander Nickolov
<agnickolov@mvps.org> wrote:
I fail to see the need. Your destructor will release any outstanding
client sinks right after you return from FinalRelease...
Now that you say it, I have to check again what's going wrong in detail.
What I've seen so far in the debugger let me believe that no event
handlers were unregistered: When my objects are released one is firing an
event which was only registered by one other object which was however
released before - and when the event is fired I see a crash.
As an aside note, attributed ATL is known to be buggy. The event
technique using __hook / __unhook in particular exhibits a memory
leak. Just a friendly note you should avoid attributed ATL. Moreover,
Hm, thanks! Do you have any links for some more details (maybe even a
workaround to fix it)?
I hear it's been dropped in VC 9.0 altogether...
You mean __hook/__unhook are dropped or the whole concept of attributed
ATL? Again any links for some more information? I would really hate to see
attributes dropped as the idea itself is of course appealing. What would
be the reason to drop them (I hope it's not because Microsoft can't get
the implementation right)?
Boris