以编程方式更改UIButton类型 [英] Change UIButton type programmatically
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问题描述
我有一个用IB制作的UIButton，它设置为 Rounded Rect。有一次，我想在代码中将类型更改为自定义，这可能吗？我看到类型可以在创建时设置，但是看不到以后是否可以更改。
I have an UIButton made with IB, it is set to "Rounded Rect". At one point, I'd like to change the type to "Custom" in the code, is that possible ? I saw the type can be set at creation, but did not see if it was possible to change it later on.
推荐答案
如果我没弄错，不同的按钮类型由UIButton的不同（私有）子类表示。因此，您只能在创建时设置类型，而不能在之后设置。
If I'm not mistaken, different button types are represented by different (private) subclasses of UIButton. That's why you can only set type at creation time but not after.
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