- forwardInvocation: Overridden by subclasses to forward messages to other objects.
これは、メッセージを別のオブジェクトへ転送するためにサブクラスによってオーバーライドされます。
A Selector.
Type Method
型メソッド
instances
instancesRespondToSelector:
Returns a Boolean value that indicates whether instances of the receiver are capable of responding to a given selector.
レシーバのインスタンスが指定したセレクタに応答する能力があるかどうかを指し示すブール値を返します。
Availability
- iOS 2.0+
- iPadOS 2.0+
- macOS 10.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
Technology
- Objective-C Runtime Objective-Cランタイム
Declaration 宣言
+ (BOOL)instancesRespondToSelector:(SEL)aSelector;Parameters パラメータ
aSelector
Return Value 戻り値
YES if instances of the receiver are capable of responding to a messages, otherwise NO.
Discussion 解説
If a messages are forwarded to other objects, instances of the class are able to receive those messages without error even though this method returns NO.
To ask the class whether it, rather than its instances, can respond to a particular message, send to the class instead the NSObject protocol instance method responds.