Weak events in .NET?

Question

If object A listens to an event from object B, object B will keep object A alive. Is there a standard implementation of weak events that would prevent this? I know WPF has s

Answer 1

Dustin's implementation only works with EventHandler delegates. If you head over to CodePlex there's a project called Sharp Observation in which the author has built a very good weak delegate provider. It's implemented in MSIL and is considerably faster and more flexible.

... which, until Microsoft implement weak events natively, will have to do.