Associated Objects in C#
objc_setAssociatedObject makes a friend
March 22, 2014
Many people think there is no equivalent of objc_setAssociatedObject in C#, but those people are wrong.
As a quick refresher, Objective-C allows you to add methods to objects via categories (roughly equivalent to extension methods in C#), but there's no way to add new property values directly. Instead, you can use . . .