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The Old New Thing: Practical Development Throughout the Evolution of Windows by Raymond Chen

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Tales of Application Compatibility

THESE STORIES, UNLIKE the ones in Chapter 13, aren’t really trying to teach you anything. They’re just interesting little stories. Often, telling these little vignettes around the lunch table was our last grasp on sanity.

The tools of application compatibility

TO SET SOME of these stories into context, I’ll start with some background on the application compatibility infrastructure, which has evolved over the decades. At first, the only way to address a compatibility problem was to change the core operating system so that the compatibility fix applied to all programs. If one program relied on a feature behaving a particular way, then the feature had to continue behaving that way for all programs. Part of the ...

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