Document Revision History

This table describes the changes to NSOperationSample.

2012-03-27Upgraded to Xcode 4.3 and Mac OS X 10.7, replaced one deprecated API use, adopted NSURL APIs, now uses ARC (Objective-C Automatic Reference Counting).
2009-09-11Fixed a memory leak, some code reformatting.
2007-06-11Updated to use NSFileManager to iterate through directories for image files.
2015-06-05Demonstrates how to use the NSOperation and NSOperationQueue classes.