October 2003
Intermediate to advanced
1072 pages
24h 21m
English
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Basic Architecture
The fundamental elements of COM are the following:
Interfaces (especially IUnknown)
Reference counting
The QueryInterface method
Marshaling
Aggregation
Let's talk about each of these separately.
Interfaces
From an object-oriented programming standpoint, and also from the perspective of COM, an interface is a mechanism for exposing functionality, as I mentioned earlier. Typically, an object uses an interface to make its capabilities available to the outside world. When an object uses an interface, the object is said to implement that interface. Users of the object can interact with the interface without knowing what the object actually is, and a single object can implement multiple interfaces.
Generally speaking, to implement an ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.