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Cocoa in a Nutshell by James Duncan Davidson, Michael Beam

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Chapter 16. Application Kit Protocols

This chapter covers the protocols of the Application Kit. The Application Kit implements all of the graphical user interface components of Cocoa, including the complete standard Aqua widget set. Additionally, the Application Kit provides classes for interacting with the Quartz 2D drawing system, and for managing and accessing resources such as colors, fonts, and printers. The Application Kit is introduced in Chapter 3. Chapter 4 and Chapter 5 went into more detail about those aspects of the Application Kit.

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