摘要：
Key-Value Coding; Key-Value ObservingIn Xcode, create a new project of typeCocoa Application. Name the projectKVCFun. In the project, create a new file of typeObjective-C Class. Name the classAppController.At this point in our exploration of key-value coding, you simply need an instance ofAppControl 阅读全文
2012年4月23日
