CFBoolean Reference

Overview

CFBoolean objects are used to wrap boolean values for use in Core Foundation property lists and collection types.

Functions

CFBooleanGetTypeID

Returns the Core Foundation type identifier for the CFBoolean opaque type.

CFTypeID CFBooleanGetTypeID (
   void
);

Related Sample Code

• Cocoa PDE with Carbon Printing
• HID Manager Basics
• LoginItemsAE

CFBooleanGetValue

Returns the value of a CFBoolean object as a standard C type Boolean.

Boolean CFBooleanGetValue (
   CFBooleanRef boolean
);

Parameters

boolean

The boolean to examine.

Related Sample Code

• bulkerase
• databurntest
• GLUT
• HID Utilities Source
• SeeMyFriends

Data Types

CFBooleanRef

A reference to a CFBoolean object.

typedef const struct __CFBoolean *CFBooleanRef;

Discussion

CFBoolean objects are used to wrap boolean values for use in Core Foundation property lists and collection types.

Constants

Boolean Values

CFBoolean evaluates to either true or false values where kCFBooleanTrue is the true, and kCFBooleanFalse is the false value.

const CFBooleanRef kCFBooleanTrue;
const CFBooleanRef kCFBooleanFalse;

Constants

kCFBooleanTrue

Boolean true value.

Available in Mac OS X v10.0 and later.

Declared in CFNumber.h.

kCFBooleanFalse

Boolean false value.

Available in Mac OS X v10.0 and later.

Declared in CFNumber.h.

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