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2014/10/15 ¤U¤È 10:12:16
iphone Programming Glossary: observedobjectWhen does an associated object get released? http://stackoverflow.com/questions/6039309/when-does-an-associated-object-get-released @end ZSPropertyWatcher.h @interface ZSPropertyWatcher NSObject id delegate SEL delegateCallback NSObject observedObject NSString keyPath @property nonatomic assign id delegate @property nonatomic assign SEL delegateCallback id initWithObject.. callback SEL aSelector @end ZSPropertyWatcher.m @interface ZSPropertyWatcher @property nonatomic assign NSObject observedObject @property nonatomic copy NSString keyPath @end @implementation ZSPropertyWatcher @synthesize delegate delegateCallback @synthesize.. copy NSString keyPath @end @implementation ZSPropertyWatcher @synthesize delegate delegateCallback @synthesize observedObject keyPath id initWithObject NSObject anObject keyPath NSString aKeyPath delegate id aDelegate callback SEL aSelector if anObject..
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