id:
11788
nodeId:
11788
type:
General
point:
131.0
linkPoint:
2.0
maker:
cella
permission:
linkable
made at:
2013.07.03 09:57
edited at:
2013.07.03 09:57
Key-Value Observing (KVO)
Key-Value Observing Programming Guide and NSKeyValueObserving Protocol Reference
https://developer.apple.com/library/mac/#documentation/cocoa/conceptual/KeyValueObserving/KeyValueObserving.html
https://developer.apple.com/library/mac/#documentation/Cocoa/Reference/Foundation/Protocols/NSKeyValueObserving_Protocol/Reference/Reference.html
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Key-Value Observing (KVO)