ATL Coding Helpers
Latest com-tech Articles - Page 21
What exactly is a tear-off? Why you might want to use one, and how the ATL supports both regular and cached tear-off interfaces. Are they worth spending time on? In this article, Andrew teaches you everything you wanted to know about tear-off interfaces, but were afraid to ask.
Andrew illustrates the underlying mechanics of aggregation vs. containment in ATL, why you'd want to choose one technique over the other, and how each is supported by the ATL through macros and classes.
Some COM clients - including scripting clients - can only access the default (dispatch) interface on an object. If your object wants to expose multiple interfaces to such clients, one solution is DISPID Encoding. This article shows how to do it with the ATL.
In his latest contribution, Andrew ponders the question posed by many of you brave enough to dive into the undocumented waters of WTL: When should I use WTL as opposed to ATL or MFC?. In doing so, he walks you through just how easy it is to create a "Hello World" windows application with WTL in order to give you some perspective on just how productive this template library can be
Think ATL is only for components? In Andrew's first installment of his new ATL/WTL column, he presents a complete tutorial (including two demos) on using the ATL windowing classes to write full-fledged Windows applications.
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It's essential to know the differences in these libraries and use them correctly. This brief tutorial will guide you.
With facilities to search, copy, extract segments, and more, the array class can handle pretty much any task you need to perform with ease.
Learn about delegates, a type that represents a reference to physical methods with the same parameter list and return type.
If you have written solid code, you have accomplished one half of the objective. Solid code is the protagonist, or hero, of our story, but testing is the more sedate side kick that often saves the day after the hubris of the hero has almost certainly lead to calamity.