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swift - How to create NSRadioButton Group in Xcode 7 OSX

I was following this tutorial on how to create radio button group. But it seems Radio Group is no longer available in the Xcode 7 library and I didn't find much information about it. How do I create something like this:

enter image description here

Thanks very much.

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Quoting from the Xcode 7 release notes:

The template for Radio buttons in the Interface Builder object library is now implemented as individual NSButton objects, rather than the older NSMatrix, which is discouraged on OS X v10.8 and later. Radio buttons automatically act as a group (selecting one button will unselect all other related buttons) when they have the same superview and -action method. (16965941)

So drag individual radio buttons and make sure you connect them all to the same outlet!


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