VB.net Marshal.ReleaseComObject Yes/No?

I was led to assume that the best way to release a COM object is by using the following code
Dim oAppt As Microsoft.Office.Interop.Outlook.AppointmentItem
{Code Inbetween}
If Not oAppt Is Nothing Then Marshal.ReleaseComObject(oAppt)

but in my web surfing I came across the following artcle

Is it safe or not to release objects this way. Is there a better/safer way?
Murray BrownMicrosoft Cloud Azure/Excel Solution DeveloperAsked:
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Jacques Bourgeois (James Burger)PresidentCommented:
I do not have time to read the referenced article, but it surely will (although things might have changed in later versions of Visual Studio)

To answer your question anyway, give a look at who wrote the blog in your post: The official source of product insight from the Visual Studio Engineering Team.

I would think that these guys know what they are talking about. They are the guys who designed and wrote the code for that stuff.

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Bob LearnedCommented:
That article points to this article, which has some caveats about Marshal.ReleaseComObject:


If you are using a COM object in a scoped, single-threaded manner then you can safely call ReleaseComObject on that object when you are done with it.  This will eagerly release any unmanaged resources associated with that object.  Subsequent calls would get an InvalidComObjectException.  So don’t make subsequent calls.

If you are using a COM object from multiple places or multiple threads in your application (or from other applications in the same process), you should not call ReleaseComObject.  That’s because you will inflict InvalidComObjectExceptions on those other parts of the application.
Murray BrownMicrosoft Cloud Azure/Excel Solution DeveloperAuthor Commented:
Thanks very much
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