i am using he quartz for drawing the image in my view and now i want to add the undo button in my toolbar button on myipad app.
what is code or any example of doing this.
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i am using he quartz for drawing the image in my view and now i want to add the undo button in my toolbar button on myipad app.
what is code or any example of doing this.
NSUndoManager has been available since iPhone OS 3.0
http://developer.apple.com/iphone/library/documentation/cocoa/reference/Foundation/Classes/NSUndoManager_Class/Reference/Reference.html
http://developer.apple.com/iphone/library/documentation/Cocoa/Conceptual/UndoArchitecture/Articles/iPhoneUndo.html