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Technical Q&As are short question and answer formatted pages that provide answers to questions frequently received at Apple Developer Technical Support.

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How to play a sequence of movies in a Web page (HTML)
QA1593: How to have the QuickTime plug-in play a sequence of movies, one after the other, in a Web page
QuickTime 2008-08-08
How to remove the "Open Recent" menu item in a Document-based Cocoa application (HTML)
QA1289: Explains how to remove the "Open Recent" menu item in a Document-based Cocoa application.
Cocoa 2003-09-15
How to set a custom drag image when doing an HFS Promise drag in Cocoa (HTML)
QA1200: Explains how to set a custom drag image when doing an HFS Promise drag in Cocoa.
Cocoa 2003-09-15
How to solve '_objc_exception_set_functions' ZeroLink errors in Xcode (HTML)
QA1321: Explains how to eliminate '_objc_exception_set_functions' ZeroLink errors in Xcode
Tools 2003-10-29
How to Tell Whether a Picture is QuickTime-Compressed (HTML)
QTICM02: Details how to determine whether a picture's QuickTime-compressed, contains QuickTime-compressed images, and type of compression used.
QuickTime 1995-05-01
How to use the OT modem script engine (HTML) (日本語 HTML)
Deprecated - NW50: Shows how to use the Open Transport modem script engine.
Carbon, Hardware & Drivers 1997-07-11
How to use URL Access with proxy servers (HTML)
Deprecated - QA1074: Explains how to use URL Access with proxy servers.
Carbon, Networking 2001-10-02
How to work around HIMovieViewCreate failing (HTML)
QA1417: Describes how to work around HIMovieViewCreate failing to initialize the view in QuickTime 7
Carbon, QuickTime, Tools 2008-03-11
ICC Profile copyright field (HTML) (日本語 HTML)
QA1136: Discusses how applications should honor the copyright field in the header of an ICC profile.
Graphics & Imaging 2002-04-08
ICLaunchURL, "file:///" URLs and Mac OS X (HTML)
QA1028: Describes problems with ICLaunchURL and "file:///" URLs on Mac OS X.
Carbon 2001-04-20
Illustrating document window changes in Swing (HTML) (日本語 HTML)
QA1146: Using the Aqua close button dot in Swing applications to indicate document changes.
Java 2002-06-18
Image Compression Dialog Options (HTML)
QTICM14: Describes how to display an extra Options button in the normal Image Compression dialog.
QuickTime 1995-08-01
Image Decompressor Data-loading Procs (HTML) (日本語 HTML)
QTMCC19: Explains how to use an image decompressor's data-loading proc.
QuickTime 2003-07-10
ImageDescription Extension Format (HTML) (日本語 HTML)
QTMCC04: Gives a reference for information on image description extensions.
QuickTime 1996-11-27
Implementing a CVFillExtendedPixelsCallBack (HTML)
QA1440: Discusses how you implement a Core Video custom extended pixel fill callback function.
Carbon, Graphics & Imaging, QuickTime 2005-09-06
Important Java Directories on Mac OS X (HTML) (日本語 HTML)
QA1170: Mac OS X equivalents of common Java runtime and development directories.
Java 2003-10-21
Importer Components - What is the 'mcfg' resource used for? (HTML) (日本語 HTML)
QA1267: Discusses the Media Configuration 'mcfg' resource which lists Importer Component file type characteristics and its use.
QuickTime 2005-10-17
Importing image data from memory (HTML)
QTMTB56: Explains using the graphics importer API's to read image data which resides in memory.
QuickTime 2000-04-03
Importing Projects from WO 4.5.x into WO 5.0 (HTML)
QA1035: Describes how to import WebObjects 4.5.x projects into WebObjects 5.0.
Mac OS X Server, Tools 2001-07-09
Importing Sys 7 Snds (HTML)
QTMCC16: Describes how to import System 7 sound files using QuickTime.
QuickTime 2000-09-22
Improving ATSUI Text Drawing Performance (HTML)
QA1027: Talks about one way of improving ATSUI text drawing performance.
Carbon, Graphics & Imaging, Internationalization, Text & Fonts 2001-04-17
Including a custom NSWindow in a nib file (HTML)
QA1511: Shows how to create a custom NSWindow and instantiate it in a nib file.
Cocoa, Tools 2007-03-21
Incorrect Inside Macintosh Volume V documentation (HTML)
Deprecated - QD15: Identifies incorrect documentation in Inside Macintosh Volume V regarding the formats of PnPixPat and BkPixPat opcodes.
Carbon, Games, Graphics & Imaging, QuickTime 1995-09-15
Installing an I/O Kit KEXT Without Rebooting (HTML)
QA1319: Describes the state of the art of installing I/O Kit kernel extensions (KEXTs) without requiring a restart.
Audio, Darwin, Hardware & Drivers, Mac OS X Server, Networking 2003-10-28
Installing input methods on Mac OS X (HTML)
QA1054: Describes how to install and use input methods on Mac OS X.
Carbon, Internationalization 2001-09-14
Installing smart card reader drivers (HTML)
QA1359: Updates obsolete information contained in the pcscd(8) man page on Mac OS X Jaguar and Panther.
Hardware & Drivers, Security 2004-08-30
Integrating the QuickTime for Windows 7.0.3 Installer into your Application Installer (HTML)
QA1463: Describes new behavior for the QuickTime for Windows 7.0.3 Installer
QuickTime 2006-02-07
Integrating With The Connect to Server Dialog (HTML)
QA1387: Describes problems integrating a third-party network file system with Finder's Connect to Server dialog.
Darwin 2006-11-16
Intel-Based Macs, Dashboard, Safari, and You (HTML)
QA1451: Concerns and details regarding widget and web development for Intel-based Macintosh computers
Apple Applications, Internet & Web 2006-12-13
Intercepting movie controller actions (HTML)
QA1094: Demonstrates how to intercept movie controller actions.
QuickTime 2001-11-14
Intercepting QuickTime Wired Actions (HTML)
QA1095: Demonstrates how to intercept wired actions in a movie controller action filter function.
QuickTime 2001-11-14
Interface element identification in Interface Builder (HTML)
QA1323: Describes a way to easily visually identify interface elements in a nib file.
Tools 2006-10-06
The intermittent behavior of SetDialogItemText (HTML)
Deprecated - QA1082: Explains why SetDialogItemText may seem to not work correctly if you have embedding turned on.
Carbon 2001-10-30
Internet Connect Speed (HTML) (日本語 HTML)
QA1165: Describes how to get the modem connection speed from the System Configuration framework dynamic store.
Carbon, Core Foundation, Games, Internet & Web, Mac OS X Server, Networking 2003-03-26
Invoking the Open Firmware user interface (HTML) (日本語 HTML)
HW45: Describes how to invoke the Open Firmware user interface on startup.
Hardware & Drivers 1999-02-15
IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
QA1120: Describes the IODeviceTree plane in the Mac OS X I/O Registry.
Audio, Darwin, Hardware & Drivers, Networking 2008-09-18
IOKit Framework Headers (HTML) (日本語 HTML)
QA1107: Describes the differences between the headers in IOKit.framework and the I/O Kit headers in Kernel.framework.
Audio, Darwin, Graphics & Imaging, Hardware & Drivers, Mac OS X Server, Networking, QuickTime 2002-01-15
IOLog and Interrupt Context (HTML) (日本語 HTML)
QA1100: Describes when IOKit runs at primary (hardware) interrupt context.
Darwin, Hardware & Drivers 2002-02-13
Is ColorSync thread safe? (HTML) (日本語 HTML)
QA1261: Discusses ColorSync thread-safety issues.
Carbon, Cocoa, Games, Graphics & Imaging, Mac OS X Server, Performance, QuickTime 2003-04-17
Is dlopen available on all versions of Mac OS X? (HTML) (日本語 HTML)
QA1180: Describes how to dynamically link to libraries and plug-ins, typically done with dlopen.
Darwin, Open Source 2008-08-19
Is QuickTime thread-safe? (HTML)
QA1088: Discusses thread-safety and reentrancy of the QuickTime library on both Mac & Windows.
QuickTime 2006-02-14
iSight - Configuring gain settings for IIDC cameras (HTML)
QA1421: Discusses how to configure features of IIDC cameras, specifically gain for the iSight
Carbon, Hardware & Drivers, QuickTime 2005-04-06
Issues with boot time KEXT loading (HTML) (日本語 HTML)
QA1087: Explains how to solve problems with loading KEXTs at boot time.
Darwin, Hardware & Drivers 2004-01-15
Java on Intel-based Macs (HTML)
QA1295: Required changes (if any) for Java applications to run on Intel-based Macs.
Java, Porting, Tools 2006-10-17
Kernel's MAC framework (HTML)
QA1574: Cautions that the kernel's MAC framework is currently not support.
Darwin 2008-01-04
Keyframes and AddMediaSample (HTML)
QTMCC20: Describes setting flags correctly for AddMediaSample to mark keyframes and difference frames.
QuickTime 2000-12-01
Launching the Default Internet Browser (HTML) (日本語 HTML)
NW60: Shows with sample code how to invoke a user's default browser to open a specific URL.
Internet & Web, Networking 1999-10-11
Legacy Devices (HTML)
HW84: Discusses why legacy devices with hard-wired I/O addresses may not work properly with Open Firmware.
Graphics & Imaging, Hardware & Drivers, QuickTime 2000-03-20
Limiting the component list in SCRequestImageSettings (HTML)
QA1062: Describes the scCompressionListType flag, which limits the list of compressors shown in the standard image settings dialog.
QuickTime 2006-01-12
Linked Movies with Different Color Palettes (HTML) (日本語 HTML)
QTMRF07: Explains why a QuickTime movie shouldn't contain subMovies that have different color palettes.
QuickTime 1996-02-15
Loading Scripting Additions in Mac OS X (HTML)
QA1070: Explains how to load scripting additions so you can call them using Apple events.
Scripting & Automation 2005-05-06
Locating a Font's Home File (HTML) (日本語 HTML)
Deprecated - TB18: Lists the steps necessary to find the home file of a given font.
Carbon, Text & Fonts 1996-02-15
Locating the 1275-1994 Standard Document (HTML)
HW85: Alerts that the Open Firmware (IEEE 1275-1994) document can't be found at the IEEE Standards Association site.
Hardware & Drivers 2000-07-17
Locking an Area Using PBLockRange (HTML) (日本語 HTML)
OPS09: Describes the behavior of PBLockRange.
Carbon 1996-05-14
LockPixels and DisposeGWorld with QTNewGWorldFromPtr (HTML)
QA1007: Clarifies some issues surrounding pointer ownership when creating GWorlds with QTNewGWorldFromPtr
Carbon, Graphics & Imaging, QuickTime 2001-02-26
Looping Audio Files with QuickTime for Windows (HTML)
QA1559: How to Continuously Loop Audio Files with QuickTime for Windows
QuickTime 2007-10-09
Losing the character code when using the control key (HTML)
QA1446: Explains why the control key transforms the character code instead of simply setting the appropriate modifier bit.
Carbon, Text & Fonts 2006-07-17
Mac OS X and root access (HTML)
QA1013: Describes how to enable root access in Mac OS X.
Darwin, Security 2008-09-16
MACE Restrictions (HTML) (日本語 HTML)
Deprecated - SND16: MACE algorithms only support the compression of 8-bit offset binary sound.
Audio, Carbon 1999-06-08
Mach Absolute Time Units (HTML)
QA1398: Describes how to convert Mach absolute time units to real time, and vice versa.
Darwin 2005-01-06
Making Input Gain Setting Changes (HTML) (日本語 HTML)
Deprecated - SND01: Changing the input gain setting on older Power Macs before recording.
Audio, Carbon 1996-06-01
Making sense of IOKit error codes (HTML) (日本語 HTML)
QA1075: Explains how to interpret I/O Kit error codes.
Darwin, Hardware & Drivers 2002-02-07
Managing custom drawing code in a compositing world (HTML)
QA1162: Explains why any custom drawing code must be handled by the kEventControlDraw handler of a custom HIView
Carbon 2004-10-14
Maximum Memory for the "Firewire" PowerBook (HTML)
Deprecated - HW83: Discrepancies between PowerBook Developer Note and TIL articles 14870 and 58582, regarding maximum memory configurations.
Hardware & Drivers 2000-03-13
MCSetClip and Clipping with the Movie Controller (HTML)
QTMTB18: Tells why the movie controller ignores the clip set by SetMovieDisplayClipRgn and shows a correct clipping technique.
QuickTime 1995-05-01
Menu Bar Clock and NVRAM (HTML)
QA1102: Explains why booting with the Command-Option-P-R keys doesn't reset date and time preferences.
Hardware & Drivers 2001-12-21
Missing ColorSync Profiles (HTML) (日本語 HTML)
CS13: Describes ColorSync profiles, focusing on the desc tag of the profile and the results of incorrect tags.
Graphics & Imaging 1999-05-03
Missing Results in Xcode Project Find Window (HTML)
QA1580: A workaround for when a search that previously returned results generates no files found in Xcode
Tools 2008-03-06
Mixing AWT/Swing and Cocoa-Java (HTML)
QA1342: Recommended alternatives to mixing Cocoa-Java and AWT/Swing.
Java 2006-10-12
Mixing link-local IP addresses and routable IP addresses (HTML)
QA1357: Explains how to enable communication between devices with link-local addresses and devices with routable addresses.
Darwin, Hardware & Drivers, Networking, Printing 2005-07-06
Movie Drawing Complete Procedure with C++ (HTML) (日本語 HTML)
QA1150: Demonstrates a static class method which can be used as a QuickTime movie drawing complete callback.
QuickTime 2002-06-18
Movie Export - Always fill in the MovieExportGetDataParams dataSize field (HTML)
QA1304: Outlines the importance of correctly filling in the MovieExportGetDataParams dataSize field when exporting from procedures.
Carbon, QuickTime 2005-02-25
Movie Export Component - How to ensure Final Cut Pro recognizes your exporter (HTML)
QA1415: Explains how to make sure Final Cut Pro will recognizes a custom QuickTime movie export component.
Apple Applications, Carbon, QuickTime 2005-03-08
Movie Export Components - Supporting a MovieProgressProc (HTML) (日本語 HTML)
QA1230: Explains the steps needed to support a movie progress proc in a movie export component.
QuickTime 2003-01-31
Movie Export From Procedures - Providing k2vuyPixelFormat data to MovieExportGetDataProc (HTML)
QA1465: Discusses adding the missing 'rowb' ImageDescription extension when using MakeImageDescriptionFromPixMap with a k2vuyPixelFormat GWorld for a procedures export.
QuickTime 2006-03-03
Movie export with AAC or AMR audio formats (HTML)
QA1347: This QA discusses use of the QuickTime AMR and AAC audio compressors on Macintosh and Windows
QuickTime 2009-03-16
Movie Import Component Selectors (HTML) (日本語 HTML)
QTMCC09: Explains why there is no documentation on the movie import API selectors: kMovieImportGetFileTypeSelect and kMovieImportDataRefSelect.
QuickTime 1996-08-21
Movie Import Components - MovieImportDataRef Invoked For File Import Operations (HTML)
QA1596: Discusses how QuickTime 7.4+ invokes Movie Import Components when specifically importing from files.
QuickTime 2008-03-11
MovieAudioExtraction - Ensure a Movie is fully loaded before starting an extraction session (HTML)
QA1469: Describes the importance of making sure a Movie is fully loaded before extracting audio.
Audio, Cocoa, QuickTime 2006-03-29
MovieAudioExtraction - Extracting all available audio samples (HTML)
QA1481: Describes how to correct for MovieAudioExtraction missing some audio samples at the end of audio files.
Audio, QuickTime 2006-07-18
Movies - Saving movie playback hints (HTML)
QA1366: Explains how to save and load media play hints from Movie files.
Carbon, Cocoa, QuickTime 2004-09-14
Moving the Menu Bar (HTML) (日本語 HTML)
Deprecated - TB54: Describes how to move the menubar to another Macintosh Display and why this move is unadvisable.
Carbon 1998-12-22
MPEG Compression in QuickTime (HTML)
QTICM16: Describes extracting information from an MPEG movie file and placing it in a specific MPEG track.
QuickTime 1995-08-01
MPRemoteCall Contexts (HTML) (日本語 HTML)
QA1122: Describes two recently introduced options for the context parameter of MPRemoteCall.
Carbon 2002-02-18
MSVC++ link error LNK4098 When Building QuickTime 3 for Windows Apps (HTML) (日本語 HTML)
QTW94: Avoid MSVC++ link error LNK4098 when building QuickTime 3 for Windows applications.
QuickTime 1998-09-21
Multiple Resources with the Same Type and ID (HTML) (日本語 HTML)
TB30: Explains why Resource IDs should be unique within a given resource type within a given resource file.
Carbon 1996-11-27
Multithreaded usage of the QCRenderer (HTML)
QA1538: Describes an issue that may arise when using the QCRenderer in a multi-threaded application.
Apple Applications, Graphics & Imaging 2008-09-08
Music Player Sequence Destinations (HTML) (日本語 HTML)
QA1330: Provides clarification on MIDI Endpoints and assigning MIDI data flow.
Audio 2004-01-15
My custom item dismisses my Navigation Services dialog (HTML)
QA1381: Gives a workaround for dismissive clicks on items in the custom area of Navigation Services dialogs.
Carbon, User Experience 2004-11-22
My ListBox control works fine on Mac OS X but I get a crash on Mac OS 9 when I click in the scrollbar (HTML) (日本語 HTML)
QA1156: Explains the requirements for the use of the Listbox Control on Mac OS 9 and Mac OS X.
Carbon 2002-07-12
New PPD keywords available in Mac OS X version 10.3 (HTML)
QA1352: Describes the new PPD keywords available for CUPS filters in Mac OS X 10.3.
Hardware & Drivers, Printing 2004-05-26
Non Mac OS X Bundled data-fork based Resources (HTML) (日本語 HTML)
QA1098: Mac OS X Bundled data-fork based Resources
Carbon, Mac OS X Server 2003-08-20
Notifying the Finder of changed or newly created files (HTML) (日本語 HTML)
QA1260: Recommended approach to notifying the Finder to update its open windows of a file creation or change.
Carbon 2003-04-15
NSDate - Natural language date parsing in early Leopard releases (HTML)
QA1581: Acknowledges a regression in +dateWithNaturalLanguageString: behavior of NSDate which is fixed as of 10.5.2.
Cocoa 2008-02-27
NSL and how it relates to Bonjour (HTML)
QA1299: Explains the relationship between NSL and Bonjour.
Carbon, Networking 2003-09-18
NSOpenGLView redraw problems after a window is closed and re-opened. (HTML)
QA1353: Workaround for NSOpenGLView failure to draw after its window is closed and re-opened.
Cocoa, Graphics & Imaging 2004-12-03
NSOpenPanel - Choosing any file and ignoring packages (HTML)
QA1468: Explains how to configure NSOpenPanel to filter only files and ignoring packages.
Cocoa, User Experience 2007-01-25
NSProgressIndicator animation and redraw (HTML)
QA1473: Discusses why NSProgressIndicator does not redraw during progress loops.
Cocoa, User Experience 2006-11-15
Numerous Small Packet Exchanges Resultin Poor TCP Performance (HTML) (日本語 HTML)
NW26: Explains why numerous small package exchanges result in poor TCP performance.
Carbon, Networking 1998-05-25
Obtaining the localized application name in Cocoa (HTML)
QA1544: Describes how to obtain several versions of the application name in Cocoa.
Cocoa, Internationalization 2007-09-21