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Grokking OS X Undo Support

by Marcus Zarra
Apr, 2008 Issue


Article Synopsis

One of the great benefits of working with Cocoa is that the APIs give the developer numerous features “for free”. One of those features is undo support. Any Cocoa application, without any work from the developer, will automatically get undo support at some basic level. In this article I walk through exactly how Undo support works in Cocoa and how you as the developer can take some control over undo to provide the functionality you are looking for.




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