Re: marshall interface needed?

From:
"Igor Tandetnik" <itandetnik@mvps.org>
Newsgroups:
microsoft.public.vc.language
Date:
Wed, 9 Apr 2008 08:01:39 -0400
Message-ID:
<OAHU5ljmIHA.5024@TK2MSFTNGP06.phx.gbl>
"George" <George@discussions.microsoft.com> wrote in message
news:5FAB3489-F8BB-48F8-8614-BB1D8BD11C99@microsoft.com

You, as a client of A, don't have access to B pointer, and in fact
don't need to know nor care that A uses B at all. That is A's
implementation detail. The solution is not to break COM rules in the
first place, and properly marshal A's pointer.


Sorry, I do not express my solution clearly. I mean the solution is
like this, A holds proxy pointer to B, A is MTA and B is out-of-proc
server. My solution to let another STA to use B is, A marshall proxy
interface of B to STA


How would A know it's supposed to do that, and why should it?

A is registered as an MTA component, and expects to be called on an MTA
thread. Why should it go out of its way to help you misuse it?

If you, as a client, also want to use B, just create your own instance
and marshal it any way you see fit. Again, the B pointer A holds is an
internal implementation detail of A, of which you shouldn't know nor
care. As long as you use A correctly, everything just works.

Do you think this solution ok?


No, it makes no sense to me at all.
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    Igor Tandetnik

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