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我如何从SOS另一个类别中调取一种观点控制器方法?
原标题:How do I call a view controller method from another class in iOS?

我有一个工具栏标,继承《国际调查意见》,是“CanvasView”在“iPad”的屏幕底部的子目。

基本上,我对这一次表有线索,该次表应当从CanvasView中抽取图像。 我曾尝试过许多不同的事情,但没有任何东西照亮了形象,我从未发现过错误,告诉我我我我正在做的错误。

我是否有必要给我一个工具,以便它能够借鉴看法?

许多预告

最佳回答

正如Peng One所说,这无疑是一个代表团的问题。 如果您有一位持有另一类的控制权的人,而且你想要从该类观点控制人员中找到一种方法,那么,你需要将观点控制者定为该类的代表(如果我错过术语的话,请更正我)。 不管怎么说,现在,由于这个网站,《刑法》运作良好:

并感谢你潘永安的起点!

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