如何使NSButton上面的NSButton？
问题描述：
我有两个NSButtons。两个按钮是与图像。这是我创建的[buttons]（ http://i.stack.imgur.com/IYXIE .png ）问题是星形按钮总是位于叶子按钮后面。我怎么能把它带到前面。 （搜索Mac osx而不是iOS。）
更新：
这是我在第一次鼠标悬停时获得的，第二次鼠标移到
i'm having two NSButtons. Both button were with images. This is what i created [buttons] (http://i.stack.imgur.com/IYXIE.png) the problem is the star button always located behind the leaf button. how can i bring it front. (searching for Mac osx not iOS.)
UPDATE:
this is what i got during first mousehover , got this during second mouse over
答
[starButton removeFromSuperview];
[self addSubview:starButton positioned:NSWindowAbove relativeTo:nil];
此外，NSView支持方法
Also, NSView supports the method
sortSubviewsUsingFunction:context:
。需要更多的代码，但看起来更干净。
implement that to simply sort the views.. requires more code but seems more clean.