当控制器类在不同的程序集中时，如何将Controller注册到ASP.NET MVC中？

My goal is to modify asp.net mvc's controller registery so that I can create controllers and views in a separate (child) assembly, and just copy the View files and the DLLs to the host MVC application and the new controllers are effectively "Plugged In" to the host app. My goal is to modify asp.net mvc's controller r