PostSharp in Depth Part 2. How does my code look like?

In this post i want to reveal what PostSharp does for us in case when we use aspects derived from OnMethodBoundaryAspect class.

PostSharp in Depth Part 1. How does my code look like?

Suppose you wrote some HelloWorldAspect and wondering: "How does my code look like?". I was wondering also. Let's look inside.