Good resources for windows shell extension programming?

Question

Duplicate of: Tutorial for Windows Shell Extensions

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I'm learning about programming windows shell extensions, and have been having difficulty finding good resources. What are the essential books, tutorials, reference sites, etc., for delving into shell extensions?

Answer 1

Look at this CodeProject article:

Namespace extensions - the undocumented Windows Shell

This article explains how you can easily create a namespace extension with lots of features without doing lots of work by using some undocumented shell functions. The most noticeable function is SHCreateShellFolderViewEx, which creates the view for you and creates all interfaces you need for displaying the contents of your folder. You can modify the behaviour of the folder by implementing a callback function. This is how Microsoft implements its own namespace extensions.