Using the Documentation
There are over 300 classes in Cocoa and related frameworks, and every one is documented in Apple’s API reference. Cocoa programmers spend a lot of time searching this reference to find answers to development questions. Apple’s documentation also includes topic-based guides, which are excellent resources for learning more about a particular subject.
In this section, you are going to use the reference to figure out how to get your color well to display a color specified by a set of RGB values. From Xcode’s toolbar, select Window → Documentation and API Reference. In the window that appears, find the search bar at the top, search for NSColorWell, and select the NSColorWell Class Reference (Figure 5.27). ...
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