Reference Library
This page lists new and recently changed documents, including Articles, Guides, Reference, Release Notes, Sample Code, Technical Notes, and Technical Q&As. Most documents have a revision history, which details additions and changes to that document since the previous version. Look for "Revision History" at the bottom of the document or in the document's table of contents.

Items are listed in reverse chronological order by publication date. To see the list sorted by the type of revision, click Sort by Revision Type. Items published for the first time (First Version) will be at the top of the list, followed by items with new or changed content (Content Update), followed by items with small fixes, such as typos and format errors, but no significant content changes (Minor Change).

New and updated Reference Library documents are announced in the bi-weekly Apple Developer Connection News, available as an option to ADC members. See the Membership Overview page for details on joining.
Document Revision Descriptions
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2008-03-11 Accessibility Overview (HTML) (PDF)
Removed the Children attribute from the Busy Indicator role information.
 Minor Change Guides Accessibility
2008-07-08 Audio File Services Reference (HTML) (PDF)
Added new properties for packet to byte and byte to packet translations.
 Content Update Reference Audio
2008-07-07 Audio Queue Services Programming Guide (HTML) (PDF)
Updated for iPhone OS 2.0.
 Content Update Guides Audio
2008-07-08 Audio Queue Services Reference (HTML) (PDF)
Content Update Reference Audio
2008-01-15 Audio Queue Services Reference (HTML) (PDF)
Clarified descriptions of the AudioQueueOutputCallback and AudioQueuePropertyListenerProc callback functions.
 Minor Change Reference Audio
2008-07-08 Core Audio Overview (HTML) (PDF)
Updated for Mac OS X v10.5 and iPhone OS version 2.0
 Content Update Guides Audio
2008-04-08 Disc Recording Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Reference Audio
2008-04-08 Disc Recording UI Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Reference Audio
2008-05-15 AlbumToSlideshow (HTML) (DMG) (ZIP)
Adds the resizing of images to fit in the generated XML sequence and allows for multiple albums with the same name.
 Content Update Sample Code Core Foundation
2008-03-11 Strings Programming Guide for Core Foundation (HTML) (PDF)
Added information to "Handling External Representations of Strings" about string encodings that do not include a BOM.
 Minor Change Guides Core Foundation
2008-07-01 CFMutableAttributedString Reference (HTML) (PDF)
Added note to introduction about attributed string support in iPhone OS. Enhanced warning about attribute dictionaries requiring key and value callbacks.
 Minor Change Reference Data Management
2008-03-11 Strings Programming Guide for Core Foundation (HTML) (PDF)
Added information to "Handling External Representations of Strings" about string encodings that do not include a BOM.
 Minor Change Guides Data Management
2008-04-08 Uniform Type Identifiers Overview (HTML) (PDF)
Added information about the UTI character set.
 Minor Change Guides Data Management
2007-12-11 64-Bit Guide for Carbon Developers (HTML) (PDF)
Added information about vImage.
 Minor Change Guides Design Guidelines
2008-06-09 Apple Human Interface Guidelines (HTML) (PDF)
Fixed minor errors.
 Minor Change Guides Design Guidelines
2008-07-08 Runtime Configuration Guidelines (HTML) (PDF)
Updated multiplatform information.
 Minor Change Guides Design Guidelines
2008-04-15 Xcode Design Tools for Class Modeling (HTML) (PDF)
New document that describes the Xcode Design Tools for Class Modeling.
 First Version Guides Design Guidelines
2008-05-02 Xcode Unit Testing Guide (HTML) (PDF)
Updated for Xcode 3.0.
 Minor Change Guides Design Guidelines
2008-03-10 CarbonCocoaTempConverter (HTML) (DMG) (ZIP)
Updated to produce a universal binary. Added code and comments for clarification.
 Content Update Sample Code Events & Other Input
2008-01-23 Programmatically causing restart, shutdown and/or logout (HTML) (日本語 HTML)
Added information for daemon authors.
 Content Update Technical Q&As Events & Other Input
2008-07-08 Audio File Services Reference (HTML) (PDF)
Added new properties for packet to byte and byte to packet translations.
 Content Update Reference File Management
2008-04-08 Disc Recording Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Reference File Management
2008-04-08 Disc Recording UI Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Reference File Management
2008-07-11 File System Overview (HTML) (PDF)
Revised information about initial file permissions.
 Minor Change Guides File Management
2008-02-25 FSMegaInfo (HTML) (DMG) (ZIP)
Prints information about various file system objects; helpful when debugging VFS plug-ins.
 First Version Sample Code File Management
2008-06-06 SpotlightFortunes (HTML) (DMG) (ZIP)
Demonstrates how to provision a Spotlight importer plug-in for a custom UTI, and how to use a NSMetadataQuery with bindings to display live query results in a table view.
 First Version Sample Code File Management
2008-04-08 Uniform Type Identifiers Overview (HTML) (PDF)
Added information about the UTI character set.
 Minor Change Guides File Management
2008-01-04 AGL Changes for Mac OS X Leopard (v. 10.5) (HTML)
First Version
 First Version Technical Q&As Games
2008-04-08 Animation Overview (HTML) (PDF)
Corrected typos.
 Minor Change Guides Games
2008-05-07 HID Config Save (HTML) (DMG) (ZIP)
Updated for new Leopard HID Manager APIs.
 Content Update Sample Code Games
2008-01-23 New HID Manager APIs for Mac OS X version 10.5 (HTML)
Fixed typo's, indentation and some (miss)parameterization. Run loop code now Carbon/Cocoa agnostic.
Minor Change Technical Notes Games
2007-12-12 Requirements for Quartz GL (HTML)
First Version
 First Version Technical Q&As Games
2008-04-08 2D Graphics Release Notes for Mac OS X v10.5 (HTML)
Update information on garbage collection.
 Minor Change Release Notes Graphics & Imaging
2008-01-04 AGL Changes for Mac OS X Leopard (v. 10.5) (HTML)
First Version
 First Version Technical Q&As Graphics & Imaging
2008-04-08 Animation Overview (HTML) (PDF)
Corrected typos.
 Minor Change Guides Graphics & Imaging
2008-04-24 CIColorTracking (HTML) (DMG) (ZIP)
More comments. Fixed some errors in the project.
 Content Update Sample Code Graphics & Imaging
2008-06-09 Core Image Kernel Language Reference (HTML) (PDF)
Updated for Mac OS X v10.5.
 Content Update Reference Graphics & Imaging
2008-06-09 Core Image Programming Guide (HTML) (PDF)
Added details on coordinate spaces.
 Minor Change Guides Graphics & Imaging
2007-12-04 Display Manager Reference (HTML) (PDF)
Updated legacy document information.
 Minor Change Reference Graphics & Imaging
2007-12-11 Font Manager Reference (HTML) (PDF)
Added deprecation and replacement technology information for functions deprecated in Mac OS X v10.4 and v10.5.
 Minor Change Reference Graphics & Imaging
2008-06-09 Image Unit Tutorial (HTML) (PDF)
Updated the table of input parameters to kernel routines.
 Minor Change Guides Graphics & Imaging
2007-12-11 PDF Kit Programming Guide (HTML) (PDF)
Made minor corrections.
 Minor Change Guides Graphics & Imaging
2008-06-04 Quartz 2D Programming Guide (HTML) (PDF)
Updated for iPhone SDK.
 Content Update Guides Graphics & Imaging
2007-12-11 Quartz 2D Programming Guide (HTML) (PDF)
Revised text chapter and added a glossary.
 Content Update Guides Graphics & Imaging
2007-12-12 Requirements for Quartz GL (HTML)
First Version
 First Version Technical Q&As Graphics & Imaging
2008-05-07 SampleScannerApp (HTML) (DMG) (ZIP)
This project implements a simple client accessing an ICA scanning device.
 First Version Sample Code Graphics & Imaging
2008-04-08 Data Browser Reference (HTML) (PDF)
Made minor technical fixes.
 Minor Change Reference Human Interface Toolbox
2008-03-11 High Level Toolbox Release Notes (10.5.2) (HTML)
New document that describes HIToolbox enhancements for Mac OS X v10.5.2.
 First Version Release Notes Human Interface Toolbox
2007-12-11 List Manager Reference (HTML) (PDF)
Added deprecation information.
 Minor Change Reference Human Interface Toolbox
2008-03-11 AppleScript Language Guide (HTML) (PDF)
Updated to describe AppleScript features through Mac OS X v10.5 and AppleScript 2.0.
 Content Update Guides Interapplication Communication
2007-12-11 Scrap Manager Reference (HTML) (PDF)
Added deprecation information.
 Minor Change Reference Interapplication Communication
2008-04-24 Scripting Additions for Mac OS X (HTML) (日本語 HTML)
Add sample project.
 Minor Change Technical Notes Interapplication Communication
2008-04-08 Uniform Type Identifiers Overview (HTML) (PDF)
Added information about the UTI character set.
 Minor Change Guides Interapplication Communication
2008-07-11 Locales Programming Guide (HTML) (PDF)
Updated a code example showing how to retrieve weekday symbols.
 Minor Change Guides Internationalization
2008-03-11 Strings Programming Guide for Core Foundation (HTML) (PDF)
Added information to "Handling External Representations of Strings" about string encodings that do not include a BOM.
 Minor Change Guides Internationalization
2008-06-03 Getting a Packet Trace (HTML) (日本語 HTML)
Streamlined product descriptions and reorganized the Miscellaneous notes. Restructured entire document and added additional packages. Added additional Hub/Switch information.
 Minor Change Technical Q&As Internet & Web
2008-04-08 JavaScriptCore Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Reference Internet & Web
2008-03-25 Bonjour Printer Subtype for HTTP (HTML)
Restructured the document to clarify possible ambiguities.
 Minor Change Technical Q&As Networking
2008-07-15 CFNetwork Reference Collection (HTML) (PDF)
Added CFHTTPStream, CFProxySupport, and CFNetworkErrors to the collection.
 Content Update Reference Networking
2008-06-03 Getting a Packet Trace (HTML) (日本語 HTML)
Streamlined product descriptions and reorganized the Miscellaneous notes. Restructured entire document and added additional packages. Added additional Hub/Switch information.
 Minor Change Technical Q&As Networking
2007-12-11 64-Bit Guide for Carbon Developers (HTML) (PDF)
Added information about vImage.
 Minor Change Guides Performance
2008-02-08 Multiprocessing Services Reference (HTML) (PDF)
Updated the description of the MPRemoteCall function.
 Minor Change Reference Performance
2008-03-28 Performance Overview (HTML) (PDF)
Updated for Mac OS X v10.5 and iPhone OS.
 Minor Change Guides Performance
2007-12-12 Requirements for Quartz GL (HTML)
First Version
 First Version Technical Q&As Performance
2008-03-21 Threading Programming Guide (HTML) (PDF)
Updated for iPhone OS.
 Minor Change Guides Performance
2008-02-08 Threading Programming Guide (HTML) (PDF)
Performed a major rewrite and update of thread-related concepts and tasks.
 Content Update Guides Performance
2008-06-09 vDSP One-Dimensional Fast Fourier Transforms Reference (HTML) (PDF)
Improved discussion section and added return type information for vDSP_create_fftsetup and vDSP_create_fftsetupD.
 Minor Change Reference Performance
2007-12-11 64-Bit Guide for Carbon Developers (HTML) (PDF)
Added information about vImage.
 Minor Change Guides Porting
2008-01-23 New HID Manager APIs for Mac OS X version 10.5 (HTML)
Fixed typo's, indentation and some (miss)parameterization. Run loop code now Carbon/Cocoa agnostic.
Minor Change Technical Notes Porting
2007-12-11 PDEPanel Protocol Reference (HTML) (PDF)
A new document that describes the informal protocol used to implement custom panes in a printing dialog.
 First Version Reference Printing
2007-12-11 PDEPlugIn Protocol Reference (HTML) (PDF)
A new document that describes the informal protocol used to add custom panes to a printing dialog.
 First Version Reference Printing
2007-12-11 PDEPlugInCallbackProtocol Reference (HTML) (PDF)
A new document that describes the informal protocol used to access information about the current print job.
 First Version Reference Printing
2008-02-20 Customizing Process Stack Size (HTML)
Updated NSThread section for Leopard.
 Minor Change Technical Q&As Process Management
2008-04-14 Determining console user login status (HTML)
A complete rewrite to account for fast user switching, and to simplify the code.
 Minor Change Technical Q&As Process Management
2008-02-08 Multiprocessing Services Reference (HTML) (PDF)
Updated the description of the MPRemoteCall function.
 Minor Change Reference Process Management
2007-12-04 Process Manager Reference (HTML) (PDF)
Updated description of ProcessInformationCopyDictionary function.
 Minor Change Reference Process Management
2008-01-23 Programmatically causing restart, shutdown and/or logout (HTML) (日本語 HTML)
Added information for daemon authors.
 Content Update Technical Q&As Process Management
2008-03-21 Threading Programming Guide (HTML) (PDF)
Updated for iPhone OS.
 Minor Change Guides Process Management
2008-02-08 Threading Programming Guide (HTML) (PDF)
Performed a major rewrite and update of thread-related concepts and tasks.
 Content Update Guides Process Management
2008-03-11 How to work around HIMovieViewCreate failing (HTML)
Editorial
 Minor Change Technical Q&As QuickTime
2008-04-24 Using QTPixelBufferContextCreate with NewMovieFromProperties (HTML)
Editorial
 Minor Change Technical Q&As QuickTime
2008-05-09 WhackedTV (HTML) (DMG) (ZIP)
Fixed two bugs: (1) "Select Output Format" in the audio dialog failed with error -206 if the source audio were set to 20 or 24 bits on an Intel Mac. The source format is 24-bits aligned low in 32-bits. WhackedTV was setting this as the default output format. But QuickTime movies can only contain packed samples. Added a utility function to conform the output format for movie-safety. (2) Began preferring the kQTSGAudioPropertyID_CodecSpecificSettingsArray property to the kQTSGAudioPropertyID_MagicCookie property. See QuickTimeComponents.h for an explanation of the differences between these properties, and why CodecSpecificSettingsArray should always be preferred over MagicCookie.
 Content Update Sample Code QuickTime
2008-02-20 Customizing Process Stack Size (HTML)
Updated NSThread section for Leopard.
 Minor Change Technical Q&As Resource Management
2008-01-23 Programmatically causing restart, shutdown and/or logout (HTML) (日本語 HTML)
Added information for daemon authors.
 Content Update Technical Q&As Resource Management
2008-06-26 Resource Programming Guide (HTML) (PDF)
Updated for iPhone OS.
 Minor Change Guides Resource Management
2008-03-11 AppleScript Language Guide (HTML) (PDF)
Updated to describe AppleScript features through Mac OS X v10.5 and AppleScript 2.0.
 Content Update Guides Scripting & Automation
2008-01-30 Authorization for Everyone (HTML)
Updated to include BetterAuthorizationSample References.
 Minor Change Technical Notes Security
2008-06-25 Certificate, Key, and Trust Services Reference (HTML) (PDF)
Added constants and functions to sign documents, evaluate signatures, encrypt and decrypt data, return information about certificates, and import identities.
 Content Update Reference Security
2008-03-11 CFNetwork Programming Guide (HTML) (PDF)
Made minor typographical corrections and clarifications.
 Minor Change Guides Security
2008-05-23 Keychain Services Programming Guide (HTML) (PDF)
Added information on Keychain APIs for iPhone OS .
 Content Update Guides Security
2008-06-25 Keychain Services Reference (HTML) (PDF)
A new API for creating and manipulating keychain items.
 Content Update Reference Security
2008-05-23 Secure Coding Guide (HTML) (PDF)
Added article on validating input--including the dangers of loading insecurely stored archives--and added information about the iPhone OS where relevant.
 Content Update Guides Security
2008-03-12 Security Framework Reference (HTML) (PDF)
Added Randomization Services.
 Content Update Reference Security
2008-06-26 Security Overview (HTML) (PDF)
Added information about security in iPhone OS.
 Content Update Guides Security
2008-02-08 Security Overview (HTML) (PDF)
Added descriptions of new features for Mac OS X v10.5.
 Minor Change Guides Security
2007-12-11 Apple Type Services for Fonts Programming Guide (HTML) (PDF)
Changed the title and added information about deprecated functions.
 Minor Change Guides Text & Fonts
2007-12-11 Apple Type Services for Fonts Reference (HTML) (PDF)
Updated for Mac OS X v10.5.
 Content Update Reference Text & Fonts
2008-07-01 CFMutableAttributedString Reference (HTML) (PDF)
Added note to introduction about attributed string support in iPhone OS. Enhanced warning about attribute dictionaries requiring key and value callbacks.
 Minor Change Reference Text & Fonts
2008-06-09 Core Text Programming Guide (HTML) (PDF)
Revised Figure 1-3 "Text layout data flow" to show that a CGPath object is provided in the creation of a CTFrame object.
 Minor Change Guides Text & Fonts
2007-12-04 Core Text Reference Collection (HTML) (PDF)
Changed title from Core Text Framework Reference because it is a subframework of the Application Services framework.
 Minor Change Reference Text & Fonts
2007-12-11 Dictionary Manager Reference (HTML) (PDF)
Deprecated document, adding to introduction a deprecation statement and pointers to documentation for replacement technology.
 Minor Change Reference Text & Fonts
2007-12-11 Font Manager Reference (HTML) (PDF)
Added deprecation and replacement technology information for functions deprecated in Mac OS X v10.4 and v10.5.
 Minor Change Reference Text & Fonts
2007-12-11 Managing Fonts: QuickDraw (HTML) (PDF)
Removed broken link. Deprecated document. Updated document overview and introduction to cite Core Text and ATS as replacement technologies.
 Minor Change Guides Text & Fonts
2007-12-11 Script Manager Reference (HTML) (PDF)
Deprecated document. Added information about replacement technologies and workarounds for functions deprecated in Mac OS X v10.5.
 Minor Change Reference Text & Fonts
2008-03-11 Strings Programming Guide for Core Foundation (HTML) (PDF)
Added information to "Handling External Representations of Strings" about string encodings that do not include a BOM.
 Minor Change Guides Text & Fonts
2008-04-08 CPlusTest Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Reference Tools
2008-06-19 Debugging with GDB (HTML)
Content Update Guides Tools
2008-01-23 GNU C 4.2 Preprocessor User Guide (HTML)
Updated for GCC 4.2.1
 First Version Reference Tools
2008-01-23 GNU C/C++/Objective-C 4.2.1 Compiler User Guide (HTML)
Updated for GCC 4.2.1
 First Version Reference Tools
2008-04-15 Xcode Design Tools for Class Modeling (HTML) (PDF)
New document that describes the Xcode Design Tools for Class Modeling.
 First Version Guides Tools
2008-05-27 Xcode Overview (HTML) (PDF) (日本語 HTML) (日本語 PDF)
New document that describes the Xcode IDE and its major components, and provides and overview of the development process.
 First Version Guides Tools
2008-07-08 Xcode Project Management Guide (HTML) (PDF)
New document that provides practical descriptions of the major development tasks developers perform with Xcode.
 First Version Guides Tools
2008-06-05 Xcode Quick Tour Guide for Mac OS X (HTML) (PDF)
Made minor updates to several chapters. Changed the title from "Xcode Quick Tour Guide."
 Minor Change Guides Tools
2008-05-22 Xcode Workspace Guide (HTML) (PDF)
New document that provides an overview of the Xcode workspace, and shows how to use its components and features.
 First Version Guides Tools
2008-06-09 Apple Human Interface Guidelines (HTML) (PDF)
Fixed minor errors.
 Minor Change Guides User Experience
2008-04-08 Data Browser Reference (HTML) (PDF)
Made minor technical fixes.
 Minor Change Reference User Experience
2008-04-08 Disc Recording UI Framework Reference (HTML)
Reprocessed content with new toolchain.
 Minor Change Reference User Experience
2007-12-04 Display Manager Reference (HTML) (PDF)
Updated legacy document information.
 Minor Change Reference User Experience
2007-12-11 List Manager Reference (HTML) (PDF)
Added deprecation information.
 Minor Change Reference User Experience
2008-02-08 Quick Look Programming Guide (HTML) (PDF)
Corrected minor errors.
 Minor Change Guides User Experience
2007-12-12 Requirements for Quartz GL (HTML)
First Version
 First Version Technical Q&As User Experience
2008-03-11 Suppressing the "unexpectedly quit" alert (HTML)
Updated content for Mac OS X 10.4 and 10.5. Fixed a typographical error. "~Library/Preferences/com.apple.CrashReporter.plist" should be "~/Library/Preferences/com.apple.CrashReporter.plist."
 Minor Change Technical Q&As User Experience
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