In my experience, all the code is written in C#. The only time when folks use Objective-C is when they are bringing some existing library they found on GitHub

In my experience, all the code is written in C#. The only time when folks use Objective-C is when they are bringing some existing library they found on GitHub to their project. And even in those cases, they dont actually write Objective-C, they just use the library. In my experience, copy-paste development is seldom a recipe for creating high-quality applications. So I do not think you should be worried about not being able to cut and paste code, you will be better off understanding what the code is doing and adapting your code (even if you do so in Objective-C). As for how the C# binding happens, it is very simple. Each Objective-C type exists with the same name in C#. You typically use intellisense to navigate the API. For example, the Objective-C code: [foo addSubview:bar] becomes: foo.AddSubview (bar) in C# The best thing to do is to follow our tutorials to get a taste for it.