UIButton.Configuration.MacIdiomStyle
The button style your app uses when running in macOS.
Declaration
enum MacIdiomStyleOverview
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.