UIButtonConfigurationMacIdiomStyle
The button style your app uses when running in macOS.
Declaration
enum UIButtonConfigurationMacIdiomStyle : NSInteger;Overview
If you build your app with Mac Catalyst, you can use these styles to configure how your app displays a button when running on a Mac. To opt in to these styles, choose Optimize Interface for Mac in you project’s general settings.
If you’re configuring your button in Interface Builder, you can choose a style from the Mac Style pop-up menu in the Attributes inspector.