Leopard 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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Topic
2009-05-06 The Objective-C 2.0 Programming Language (HTML) (PDF)
Updated article on Mixing Objective-C and C++.
 Minor Change Guides Objective-C Language
2009-02-04 Objective-C 2.0 Runtime Programming Guide (HTML) (PDF)
Corrected typographical errors.
Minor Change Guides Objective-C Language
2008-11-19 Objective-C 2.0 Runtime Reference (HTML) (PDF)
Added links to the new Objective-C 2.0 Runtime Programming Guide.
 Minor Change Reference Objective-C Language
2008-09-16 Disabling Processor Cores on a Multi-Core System (HTML) (日本語 HTML)
Added CHUD Processor preference pane. Removed obsolete content. Made editorial changes.
 Content Update Technical Q&As Performance
2008-11-19 Garbage Collection Programming Guide (HTML) (PDF)
Added note that Foundation programs need to use objc_startCollectorThread().
 Minor Change Guides Performance
2009-01-02 NSAutoreleasePool Class Reference (HTML) (PDF)
Changed "managed memory environment" to "reference-counted environment" throughout.
 Minor Change Reference Performance
2009-02-04 Universal Binary Programming Guidelines, Second Edition (HTML) (PDF)
Made minor content additions.
 Minor Change Guides Porting
2008-10-15 NSBox Class Reference (HTML) (PDF)
Corrected descriptions of getter methods in "Customizing" method group, setTitleFont:, and titleFont.
 Minor Change Reference Printing
2009-01-06 NSPrintInfo Class Reference (HTML) (PDF)
Cleaned up the deprecated print info keys.
 Minor Change Reference Printing
2009-02-04 NSView Class Reference (HTML) (PDF)
Corrected typos.
 Minor Change Reference Printing
2009-02-13 PMPrinterTest (HTML) (DMG) (ZIP)
Now uses a table view to display the results, and bindings to fill the table view. Cleaned up numerous memory leaks.
 Content Update Sample Code Printing
2008-09-09 NSCondition Class Reference (HTML) (PDF)
Corrected availability information.
 Minor Change Reference Process Management
2008-11-19 NSOperation Class Reference (HTML) (PDF)
Updated the guidelines related to KVO compliance.
 Minor Change Reference Process Management
2008-11-19 NSOperationQueue Class Reference (HTML) (PDF)
Updated the guidance related to KVO-compliant properties.
 Minor Change Reference Process Management
2008-09-10 Observing Process Lifetimes Without Polling (HTML)
A major rewrite to eliminate use of deprecated APIs and to update the technote to reference the latest techniques.
 Minor Change Technical Notes Process Management
2008-09-24 Programmatically causing restart, shutdown and/or logout (HTML) (日本語 HTML)
Updated source listing.
 Minor Change Technical Q&As Process Management
2009-04-08 QTCaptureAudioPreviewOutput Class Reference (HTML) (PDF)
Fixed parameter descriptions.
 Minor Change Reference QuickTime
2009-05-06 QTCaptureDevice Class Reference (HTML) (PDF)
Fixed enumeration and constant listings. Minor fixes.
 Minor Change Reference QuickTime
2009-04-08 QTCaptureDeviceInput Class Reference (HTML) (PDF)
Minor fixes.
 Minor Change Reference QuickTime
2009-04-08 QTCaptureInput Class Reference (HTML) (PDF)
Minor technical fixes.
 Minor Change Reference QuickTime
2009-03-04 QTCaptureOutput Class Reference (HTML) (PDF)
Minor edit fixes.
 Minor Change Reference QuickTime
2009-03-04 QTCaptureVideoPreviewOutput Class Reference (HTML) (PDF)
Minor edit fixes.
 Minor Change Reference QuickTime
2009-04-08 QTCaptureView Class Reference (HTML) (PDF)
Modified descriptions. Fixed typos. MInor fixes.
 Minor Change Reference QuickTime
2009-04-07 QTCoreVideo202 (HTML) (DMG) (ZIP)
Performance improvement with movie pixel buffersand streaming textures.
 Minor Change Sample Code QuickTime
2009-04-07 QTCoreVideo301 (HTML) (DMG) (ZIP)
Fixed an issue with shader units that caused an OpenGL error.
 Content Update Sample Code QuickTime
2009-04-08 QTDataReference Class Reference (HTML) (PDF)
Added parameter descriptions, updated constant listings. Minor fixes.
 Minor Change Reference QuickTime
2008-10-13 QTKit Capture - Disabling specific audio channels when recording (HTML)
First Version
 First Version Technical Q&As QuickTime
2008-09-16 QTKit Capture - Video Compression Options And Preview (HTML)
First Version
 First Version Technical Q&As QuickTime
2009-03-04 QTMedia Class Reference (HTML) (PDF)
Added parameter descriptions and constant groupings.
 Minor Change Reference QuickTime
2009-01-07 QTMovie Class Reference (HTML) (PDF)
Corrected the description of QuickTime VR attribute. Minor typo fixes.
 Minor Change Reference QuickTime
2009-03-04 QTTrack Class Reference (HTML) (PDF)
Fixed constants listings; minor edits.
 Minor Change Reference QuickTime
2009-01-29 QuickTime Audio - Easy Frequency Level Metering with MovieAudio APIs (HTML)
Editorial
 Minor Change Technical Q&As QuickTime
2008-11-24 Core Animation properties and Reference Counting (HTML)
First Version
 First Version Technical Q&As Resource Management
2008-10-15 NSFileManager Class Reference (HTML) (PDF)
Corrected typographical errors.
 Minor Change Reference Resource Management
2008-10-15 NSFileWrapper Class Reference (HTML) (PDF)
Corrected -initWithSerializedRepresentation: method description.
 Minor Change Reference Resource Management
2009-02-04 NSHelpManager Class Reference (HTML) (PDF)
Removed all references to using Interface Builder.
 Minor Change Reference Resource Management
2008-10-15 NSSound Class Reference (HTML) (PDF)
Updated the list of supported sound formats.
 Minor Change Reference Resource Management
2008-09-24 Programmatically causing restart, shutdown and/or logout (HTML) (日本語 HTML)
Updated source listing.
 Minor Change Technical Q&As Resource Management
2009-01-06 Resource Programming Guide (HTML) (PDF)
Added information about KVO notifications during nib loading.
 Minor Change Guides Resource Management
2008-11-19 Garbage Collection Programming Guide (HTML) (PDF)
Added note that Foundation programs need to use objc_startCollectorThread().
 Minor Change Guides Runtime Architecture
2009-02-04 Mac OS X ABI Mach-O File Format Reference (HTML) (PDF)
Made minor changes.
 Minor Change Reference Runtime Architecture
2009-02-04 NSApplication Class Reference (HTML) (PDF)
Added dockTile method description.
 Minor Change Reference Runtime Architecture
2009-02-04 Objective-C 2.0 Runtime Programming Guide (HTML) (PDF)
Corrected typographical errors.
Minor Change Guides Runtime Architecture
2008-10-13 SBSystemPrefs (HTML) (DMG) (ZIP)
Shows how to use Scripting Bridge to display a preference pane in System Preferences.
 First Version Sample Code Scripting & Automation
2009-01-06 Authorization Services Programming Guide (HTML) (PDF)
Corrected minor errors. Changed the title from "Performing Privileged Operations With Authorization Services."
 Minor Change Guides Security
2008-11-19 Certificate, Key, and Trust Services Programming Guide (HTML) (PDF)
Added information about, and code samples for, iPhone OS.
 Content Update Guides Security
2008-11-19 Certificate, Key, and Trust Services Reference (HTML) (PDF)
Updated to Mac OS X v 10.5.
 Content Update Reference Security
2009-05-06 CFNetwork Programming Guide (HTML) (PDF)
Corrected typos.
 Minor Change Guides Security
2008-11-19 Code Signing Guide (HTML) (PDF)
Added a chapter describing the code signing requirement language.
 Content Update Guides Security
2009-03-12 Keychain Services Programming Guide (HTML) (PDF)
Corrected a typo.
 Minor Change Guides Security
2008-11-19 Keychain Services Reference (HTML) (PDF)
Added Keychain Services API for iPhone OS.
 Minor Change Reference Security
2008-10-15 Security Overview (HTML) (PDF)
Added a link to the iPhone OS Technology Overview.
 Content Update Guides Security
2009-01-06 SFAuthorization Class Reference (HTML) (PDF)
permitWithRight:flags: and permitWithRights:flags:environment:authorizedRights are deprecated and replaced with obtainWithRight:flags: and obtainWithRights:flags:environment:authorizedRights:error:
 Content Update Reference Security
2008-11-19 ISyncSession Class Reference (HTML) (PDF)
Corrected typographical errors.
 Minor Change Reference Syncing
2009-05-06 IMKServerInput Protocol Reference (HTML) (PDF)
Clarified constant descriptions.
 Minor Change Reference Text & Fonts
2009-03-04 NSATSTypesetter Class Reference (HTML) (PDF)
Removed reference to ATSUI.
 Minor Change Reference Text & Fonts
2008-10-15 NSAttributedString Class Reference (HTML) (PDF)
Added cautionary note about isEqual: comparison of NSAttributedString objects having attributes such as attachments, lists, and tables.
 Minor Change Reference Text & Fonts
2009-01-06 NSGlyphStorage Protocol Reference (HTML) (PDF)
Reformatted parameter descriptions.
 Minor Change Reference Text & Fonts
2008-12-20 NSLayoutManager Class Reference (HTML) (PDF)
Added descriptions of NSGlyphStorage protocol methods.
 Minor Change Reference Text & Fonts
2008-10-15 NSMutableParagraphStyle Class Reference (HTML) (PDF)
Removed erroneous statement that 0 is not accepted by setTighteningFactorForTruncation: method.
 Minor Change Reference Text & Fonts
2009-01-06 NSSpeechSynthesizer Class Reference (HTML) (PDF)
Clarified how the speech rate is set when using initWithVoice:.
 Minor Change Reference Text & Fonts
2009-02-04 NSString Application Kit Additions Reference (HTML) (PDF)
Documented NSStringDrawingTruncatesLastVisibleLine constant.
 Minor Change Reference Text & Fonts
2008-10-15 NSTextInputClient Protocol Reference (HTML) (PDF)
New document that describes the protocol enabling conforming objects to receive keyboard input as properly formed text.
 First Version Reference Text & Fonts
2009-05-06 Search Kit Reference (HTML) (PDF)
Added notes that SKSearch and SKIndex objects cannot be used with CFMakeCollectable.
 Minor Change Reference Text & Fonts
2008-10-15 String Programming Guide for Cocoa (HTML) (PDF)
Added new aricle on character clusters; updated list of string format specifiers.
 Minor Change Guides Text & Fonts
2008-10-15 Text Layout Programming Guide for Cocoa (HTML) (PDF)
Added information on thread safety to "The Layout Manager" article.
 Minor Change Guides Text & Fonts
2009-04-08 Text System Overview (HTML) (PDF)
Added link in "Building a Text Editor in 15 Minutes" to information explaining how to configure an application's document types settings.
 Minor Change Guides Text & Fonts
2009-01-06 IBDocument Class Reference (HTML) (PDF)
Made minor technical corrections.
 Minor Change Reference Tools
2008-11-19 Interface Builder User Guide (HTML) (PDF)
Updated to incorporate information about nib files in iPhone OS.
 Minor Change Guides Tools
2009-05-06 The Objective-C 2.0 Programming Language (HTML) (PDF)
Updated article on Mixing Objective-C and C++.
 Minor Change Guides Tools
2009-02-04 Xcode Design Tools for Class Modeling (HTML) (PDF)
Made minor content fixes.
 Minor Change Guides Tools
2009-01-06 Xcode Overview (HTML) (PDF)
Made minor changes and added glossary.
 Minor Change Guides Tools
2009-01-06 Xcode Project Management Guide (HTML) (PDF)
Made minor content changes.
 Minor Change Guides Tools
2008-10-15 Xcode Quick Tour for Mac OS X (HTML) (PDF)
Added information about how to implement the Converter application.
 Minor Change Guides Tools
2009-01-06 Xcode Workspace Guide (HTML) (PDF)
Made minor content fixes.
 Minor Change Guides Tools
2008-11-19 Application Kit Framework Reference (HTML) (PDF)
Added NSTextInputClient Protocol Reference.
 Minor Change Reference User Experience
2008-10-15 Button Programming Topics for Cocoa (HTML) (PDF)
Added "Querying Button Matrices" plus a example of programmatically creating a matrix of radio buttons. Also removed "Deprecated Buttons" from "Types of Buttons".
 Minor Change Guides User Experience
2009-03-08 Cocoa Bindings Programming Topics (HTML) (PDF)
Added warning about lack of key-value observing change values to Controller Key-Value Observing Compliance.
 Minor Change Guides User Experience
2008-10-15 Control and Cell Programming Topics for Cocoa (HTML) (PDF)
Made minor corrections.
 Minor Change Guides User Experience
2009-02-04 Dialogs and Special Panels (HTML) (PDF)
Updated for Mac OS X v10.5: added "Customizing Alert Dialogs," which describes the suppression checkbox and accessory views.
 Minor Change Guides User Experience
2009-03-04 Dock Tile Programming Guide (HTML) (PDF)
Updated to include guidelines for Cocoa programmers.
 Content Update Guides User Experience
2008-10-15 DOMDocument Additions Reference (HTML) (PDF)
Updated per Mac OS X v10.5.
 Minor Change Reference User Experience
2008-10-15 DOMElement Additions Reference (HTML)
First revision of this document.
 First Version Reference User Experience
2009-01-26 DOMHTMLDocument Additions Reference (HTML) (PDF)
First revision of this document.
 First Version Reference User Experience
2009-02-04 DOMNode Additions Reference (HTML) (PDF)
Added separate parameter and return-value descriptions.
 Minor Change Reference User Experience
2008-10-15 DOMRange Additions Reference (HTML) (PDF)
Updated per Mac OS X v10.5.
 Minor Change Reference User Experience
2008-10-15 NSBox Class Reference (HTML) (PDF)
Corrected descriptions of getter methods in "Customizing" method group, setTitleFont:, and titleFont.
 Minor Change Reference User Experience
2009-04-08 NSButtonCell Class Reference (HTML) (PDF)
Added style override details to setAttributedTitle:.
 Minor Change Reference User Experience
2009-02-04 NSCell Class Reference (HTML) (PDF)
Documented truncatesLastVisibleLine and setTruncatesLastVisibleLine: methods. Added deprecated image scaling constants.
 Minor Change Reference User Experience
2008-10-15 NSControl Class Reference (HTML) (PDF)
Revised wording of several methods and added descriptions of NSInteger-related "value" methods.
 Minor Change Reference User Experience
2009-01-06 NSCursor Class Reference (HTML) (PDF)
Added a definition for the NSAppKitVersionNumberWithCursorSizeSupport macro.
 Minor Change Reference User Experience
2008-11-19 NSDateFormatter Class Reference (HTML) (PDF)
Added note about supported behaviors for iPhone OS.
 Minor Change Reference User Experience
2009-03-04 NSDockTile Class Reference (HTML) (PDF)
Updated to describe differences in behavior between application and window dock tiles.
 Content Update Reference User Experience
2009-02-04 NSHelpManager Class Reference (HTML) (PDF)
Removed all references to using Interface Builder.
 Minor Change Reference User Experience
2009-01-06 NSImageCell Class Reference (HTML) (PDF)
Added descriptions for the NSImageAlignment constants.
 Minor Change Reference User Experience
2008-10-15 NSMatrix Class Reference (HTML) (PDF)
Clarified usage of selectAll:.
 Minor Change Reference User Experience
2009-02-04 NSMenuView Class Reference (HTML) (PDF)
Added information regarding what to use in place of NSMenuView.
Minor Change Reference User Experience
2008-11-19 NSNumberFormatter Class Reference (HTML) (PDF)
Added note about supported behaviors for iPhone OS.
 Minor Change Reference User Experience
2009-02-04 NSOpenPanel Class Reference (HTML) (PDF)
Added more specific information regarding didEndSelector behavior in panel-running methods.
 Minor Change Reference User Experience
2009-02-04 NSOutlineView Class Reference (HTML) (PDF)
Added documentation for method outlineView:selectionIndexesForProposedSelection:.
 Minor Change Reference User Experience
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