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NSObject中的performSelector:withObject用法简介
- (id)performSelector:(SEL)aSelector withObject:(id)anObject | |||||
Description [说明] | Sends a message to the receiver with an object as the argument. (required) [将消息发送到接收器与一个对象作为参数。(必填)] | ||||
| This method is the same as performSelector: except that you can supply an argument for aSelector. aSelector should identify a method that takes a single argument of type id. For methods with other argument types and return values, use NSInvocation. [这种方法是一样的performSelector:除非你能提供的aSelector参数。 aSelector应确定一种方法,它接受一个单一类型的id参数。与其他类型的参数和返回值的方法,使用NSInvocation。] | ||||
Parameters [参数] |
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Returns [返回] | An object that is the result of the message. [一个对象,它是消息的唯一理由。] | ||||
Availability [可用于] | OS X (10.0 and later) | ||||
Declared In [宣称] | NSObject.h | ||||
Reference [参考] | NSObject Protocol Reference |
NSObject中的performSelector:withObject用法简介