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IBAction和IBOutlet

2014年02月27日 IT运维  ⁄ 共 753字 /评论:+0°
These two keywords do absolutely nothing as far as the compiler is concerned. IBOutlet gets entirely removed from the code before the compiler ever sees it. IBAction resolves to a void return type, which just means that action methods do not return a value. So, what’s going on here? The answer is simple, really: IBOutlet and IBAction are not used by the compiler. They are used by Interface Buil... 阅读全文
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