Does this include COM references obtained via code like this? :
type comType = Type.GetTypeFromProgID("clsid");
object comObj = Activator.CreateInstance(comType);
???? Is it valid (should we?) invoke
while(Marshal.ReleaseComObject(comObj) > 0);
Thanks.
--
Regard your good name as the richest jewel you can possibly be possessed of
- for credit is like fire;
when once you have kindled it you may easily preserve it, but if you once
extinguish it, you will find
it an arduous task to rekindle it again. The way to gain a good reputation
is to endeavor to be what you desire to appear."
[Socrates]
> -----Original Message-----
> From: Charlie Poole [mailto:[EMAIL PROTECTED]
> Sent: quarta-feira, 9 de Julho de 2003 0:44
> To: [EMAIL PROTECTED]
> Subject: Re: [ADVANCED-DOTNET] ReleaseCOMObject from Managed code
>
>
> Each time a COM reference is returned from unmanaged code,
> the reference count in the runtime callable wrapper is
> incremented. You could release /all/ refrences from managed
> code by calling ReleaseComObject in a loop until the returned
> count was zero.
>
> The situations in which it's reasonable and safe to do this
> are pretty limited, however. The purpose of the reference
> count is to /avoid/ the COM object being released until all
> it's clients have indicated they no longer need it. Ideally,
> each object that acquires a reference should release the count once.
>
> I would only release all the references in the way described
> in a situation like a cleanup method prior to shutdown.
>
> Charlie Poole
> [EMAIL PROTECTED]
>
> > -----Original Message-----
> > From: Moderated discussion of advanced .NET topics.
> > [mailto:[EMAIL PROTECTED] Behalf Of
> Johnny Chung
> > Sent: Monday, July 07, 2003 11:49 PM
> > To: [EMAIL PROTECTED]
> > Subject: [ADVANCED-DOTNET] ReleaseCOMObject from Managed code
> >
> >
> > I read a short article on "why not to use ReleaseComObject"
> method on
> > the Chris Brume's web log. However, it started by saying
> that the use
> > of ReleaseCOMObject will release all refcounts at once, then it
> > started explaining the method returns the number of
> refcounts and how
> > application code should call ReleaseComObject until the
> method returns
> > 0. I am confused as to whether to use the method or not.
> Can someone
> > please explain about releaseComObject method?
> >
> >
> >
> > Cheers
> >
> > Johnny Chung
> >
> >
> >
> >
>
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