Re: COM object and singleton problem

From:
"Igor Tandetnik" <itandetnik@mvps.org>
Newsgroups:
microsoft.public.vc.atl
Date:
Tue, 24 Nov 2009 13:19:14 -0500
Message-ID:
<O3v7wLTbKHA.2572@TK2MSFTNGP05.phx.gbl>
d <d@discussions.microsoft.com> wrote:

hello,
 
i am working on the COM out of proc server. previously i had designed
my COM server with singleton object but based on the very good
response
=

"http://social.msdn.microsoft.com/Forums/en-US/vcgeneral/thread/83a8de4b-=
a7a6-46c0-bb40-37f67e5c3c3d"

 
in MSDN forum i changed it to used same global class. now i would
like to know how could i send events from global class to the COM
objects with connection point.


Have those COM objects register themselves with the singleton class. The =
singleton would call some method (not necessarily a COM method, could =
use a regular C++ method) on COM objects, which in turn would fire an =
event on their attached event sinks.

void CGlobalclass::Init()
{
CreateThread(ThreadFun)
return E_PENDING;
}
 
CGlobalclass::ThreadFun(LPPARAM )
{
//Long processing
 
//Now how to call CTestObj's connection points function.
}


For suggestions on firing events from a worker thread, see =
http://vcfaq.mvps.org/com/1.htm
--
With best wishes,
    Igor Tandetnik

With sufficient thrust, pigs fly just fine. However, this is not =
necessarily a good idea. It is hard to be sure where they are going to =
land, and it could be dangerous sitting under them as they fly overhead. =
-- RFC 1925

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