Xamarin ships with the source code for Mono class libraries, and you can use this to debug the Xamarin (formerly known as Mono) source code:
To be able to use this option, go to Debug | Options:
Then, go to General, uncheck the Enable Just My Code option, and click OK:
Once this is disabled, we can step into Mono class libraries and debug them.
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month, and much more.