Describes the class used to define a predicate used to compare the results of two expressions.

Describes the methods for implementing a POSIX-style condition lock.

Describes the class used to specify the way an NSDecimalNumber object rounds off and handles errors.

Describes the class for managing Mach ports.

Describes the methods for managing encapsulated tasks.

Describes the methods for managing operation objects.

Describes the class for managing a recursive version of a mutex.

Describes the protocol that color pickers implement to provide a basic user interface for color panels.

Describes the class used to load a sound into memory and play it.

Describes the class that gives any application an interface to the Cocoa spell-checking service.

Describes the class used to make your particular spelling checker a service available to any application.

Describes the class instantiated as the front-end, primary user interface object of the Cocoa text system.

Describes the class that provides an application access to Finder services.

Describes the data structures that make up the Mach-O file format.

Describes the class used to display a message and obtain the user's response to it.

Describes the class that provides the central framework for a Cocoa application's execution.

Describes the Core Text functions and data types that apply to the framework as a whole.

Describes the Core Text opaque type used to generate text frames.

Describes the Core Text opaque type used to represent paragraph or ruler attributes in an attributed string.

Describes the API related to the QLPreviewRequest opaque type of the Quick Look framework.

Describes the class whose instances ecapsulate Objective-C messages for use in store-and-forward mechanisms such as distributed objects.

Describes the classes, types, and contants in the Interface Builder Kit framework.

Describes the class that coordinates the layout and display of characters held in an NSTextStorage object.

Describes the class used to support setting text and background color in the NSCell class.

Describes the C API for creating and manipulating view-based controls and menus in Carbon applications.

Describes the Quick Look framework classes and functions used for creating Quick Look generator plug-ins.

Describes the methods for creating gradient fill patterns.

Describes the methods for implementing an invocation-based operation.

Describes the class that instantiates a dialog to query the user for printing information such as paper type.

Describes the class that implements the user interface of an NSPathControl object.

Describes the protocol optionally implemented by the delegate of an NSPathCell object to customize a pop-up-style path.

Describes the class used to display a component of a path.

Describes the control that represents a file path or virtual path.

Describes the protocol optionally implemented by the delegate of an NSPathControl object to support dragging and pop-up menu cusomization.

Describes the class that represents a text table as a whole.

Describes the class that encapsulates a group of items in a window's toolbar.

Describes the class used to access the basic data structures in an Apple event.

Describes the informal protocol that provides methods to manage bindings between view objects and controllers or controllers and model objects.

Describes the class used to provide a description of a script command.

Describes the class used as the top-level repository of scriptability information for an application at runtime.

Describes the informal protocol that a class must implement to provide the data used to populate a table view.

Describes the class that is used with Cocoa bindings to manage a tree of objects.

Describes the API for reading and writing image data.

Describes the class that is used with Cocoa bindings to manage a collection of objects.

Describes the C API for manipulating and drawing icons in Carbon applications.

Describes the class instantiated as the controller object for the font conversion system.

Describes the class that implements the Font panel--a user interface object that displays a list of available fonts.

Describes the informal protocol used to tell the Font panel to display some or all of its elements.

Describes the root class of Objective-C classes used in distributed objects.

Describes the class that implements a user interface for manipulating one-dimensional or two-dimensional data sets.

Describes the class that implements a read-only stream.

Describes the class that implements a write-only stream.

Describes the C API for creating cooperatively scheduled threads in Carbon applications.

Describes the constants defined in the Foundation framework not described in individual classes.

Describes the class used to allow users to browse the file system to locate a file.

Describes the class used to identify and perform spoken commands.

Describes the Objective-C API for manipulating Interface Builder documents.

Describes the base methods for managing plug-ins in Interface Builder.

Describes the constants declared in the Interface Builder Kit framework.

Describes the C types declared in the Interface Builder Kit framework.

Describes the abstract class that implements the informal protocols required by controller classes used with Cocoa bindings.

Describes the protocol implemented by text input servers to handle mouse events.

Describes the protocol implemented by text input servers to handle application and text field events.

Describes the class used to query Spotlight for file metadata.

Describes the class used to define metadata queries and to examine query results.

Describes the class that represents a group of metadata query result objects.

Deprecated - Describes the class used to play and edit a movie in a view. Deprecated: Use QTKit instead.

Describes the class used to find published services on a network using multicast DNS.

Describes the class that represents a notification to be broadcast through a notification center.

Describes the class used to asynchronously broadcast notifications within a task.

Describes the class used to display data elements in a browser.

Describes the class that implements controls that react to clicks and maintain state.

Describes the protocol that color pickers implement to provide a customized user interface for color panels.

Describes the class used to post notifications between tasks.

Describes the class used to represent the position of an object in a collection.

Describes the class used by text views to communicate with the text input management system.

Describes the class that interprets text view events and communicates them to the text input management system.

Describes the class that provides support for retrieving data from a server in response to a URL load request.

Describes the abstract class that is used by subclasses that provide custom protocol-specific loading of URL data.

Describes the class that encapsulates a URL load request.

Deprecated - Describes the data structures and functions of the Objective-C 1.0 runtime support library.

Describes the class used to represent the contents of a file in memory.

Describes the C API for creating and manipulating Carbon controls.

Deprecated - Describes the class used to load a movie into memory. Deprecated: Use QTKit instead.

Describes the class used to provide a mutable object-oriented wrapper for a byte buffer.

Describes the class that provides access to information about the current process.

Describes the abstract superclass that defines the interface for typesetter objects that perform text line layout.

Describes the class used to obtain and display online help.

Describes the class used to get information about a network resource.

Describes the class used to represent an immutable collection of unique unsigned integers.

Describes the C API for obtaining and manipulating individual video frames.

Describes the CFMessagePort opaque type.

Describes the class that provides an evaluation context for rendering a Core Image image through Quartz 2D or OpenGL.

Describes the class used for establishing view regions for mouse tracking and cursor updating.

Describes the opaque type for representing a mutable byte buffer.

Deprecated. Describes the class for handling the measurement and display of a single menu item in its encompassing frame.

Describes the class used to manage a mutable ordered collection of objects.

Describes the class that provides a control to display and edit an array of strings.

Describes the class used to specify and operate on immutable strings.