Although C# markup for Xamarin.Forms has been available since Xamarin.Forms 4.6 (it's now at v4.7) debuted this spring, it was just "introduced" on the Microsoft Developer Blogs site by creator ...
Before starting your Xamarin project, I recommend installing some version of Visual Studio 2017 -- it has the best support for Xamarin. For this article I'm using Visual Studio 2017 Enterprise Edition ...