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Usage of sendAction:to:from:forEvent:?

开发者 https://www.devze.com 2023-03-15 06:11 出处：网络
-[UIApplication sendAction:to:from:forEvent:] method looks in开发者_开发知识库teresting. Is there any usage utilizes this method greatly?Read up on the \"responder chain\" pattern in Cocoa. Calling th
相关专题：uikit

-[UIApplication sendAction:to:from:forEvent:] method looks in开发者_开发知识库teresting. Is there any usage utilizes this method greatly?

Read up on the "responder chain" pattern in Cocoa. Calling this method (with nil for the to: parameter) is how iOS apps post actions to that chain.

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