Document Revision History
This table describes the changes to Key-Value Observing Programming Guide.
| Date | Notes |
|---|---|
| 2009-05-06 | Clarified Core Data requirement in Registering Dependent Keys. |
| 2009-03-04 | Updated Registering Dependent Keys chapter. |
| 2006-06-28 | Updated code examples. |
| 2005-07-07 | Clarified that you should not release objects before calling willChangeValueForKey: methods. Noted that Java is not supported. |
| 2004-08-31 | Corrected minor typos. |
Clarified the need to nest manual key-value change notifications in “Automatic Versus Manual Support.” | |
| 2004-03-20 | Modified source example in “Registering Dependent Keys.” |
| 2004-02-22 | Corrected source example in “Registering for Key-Value Observing.” Added article “Key-Value Observing Implementation Details .” |
| 2003-11-11 | Corrected reference to instance variables in “Automatic Versus Manual Support” |
| 2003-10-15 | Initial publication of Key-Value Observing. |
© 2003, 2009 Apple Inc. All Rights Reserved. (Last updated: 2009-05-06)