xamarinmac 
namespace AppKit
{
    public class NSStringAttributes : DictionaryContainer
    {
        public int SetUnderlineStyle(NSUnderlineStyle style = NSUnderlineStyle.None, NSUnderlinePattern pattern = NSUnderlinePattern.Solid, bool byWord = false);
    }
}
Xamarin macOS 0.0
Information specific to xamarinmac
Assembly

Xamarin.Mac , Version=0.0.0.0, PublicKeyToken=84e04ff9cfb79065

Referencing

The API is automatically referenced.

Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API