Windows Forms has Events/EventHandlers, WPF has Commands. While you can kind-of say that WinForms Events/EventHandlers serve the same function as WPF Commands ... handling user interaction ... these two technology stacks have very different architectures. WPF implements "event bubbling:" WinForms does not, etc.
There are some attempts to make WinForms have some of the command pattern "goodness" that WPF does, but, imho, these in general are hacks. There are a lot of articles here on CodeProject that offer some kind of MVP framework for Win Forms.
This article may clarify some of the key differences for you: [
^].