SiteCatalyst code will be injected here when viewed in production Mac Developer Library Developer AppKit Framework Reference Classes Protocols Other Reference AppKit is a framework containing all the objects you need to implement your graphical, event-driven user interface: windows, panels, buttons, menus, scrollers, and text fields. AppKit handles all the details for you as it efficiently draws on the screen, communicates with hardware devices and screen buffers, clears areas of the screen before drawing, and clips views. The number of classes in AppKit may seem daunting at first. However, most AppKit classes are support classes that you use indirectly. You also have the choice at which level you use AppKit: Use Interface Builder to create connections from user interface objects to your application objects. In this case, all you need to do is...