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COCOA PROGRAMMING FOR MAC OS X SECOND EDITION by Aaron Hillegass

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Chapter 27. Creating Interface Builder Palettes

Interface Builder includes several standard palettes. The palettes allow the user to drag objects off the palette and drop them into a nib file. They also allow the user to inspect and edit the attributes of that object. Finally, the palette allows the user to put the interface into test mode. The user interface (UI) objects come alive and act as they would in an application.

When you save a nib file, you are archiving objects into a file. When you load a nib file into your application, you are unarchiving those objects. Some of the objects in the nib file are just placeholders. File's Owner, for example, is a placeholder for the object that will be supplied when the nib file is read in. Other objects, ...

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