How to check if a handler (handler method class) is a member of a team assembly?

Question

How to check if a handler (handler method class) is a member of a team assembly?

Ref .:

• Static members collect garbage collection?
• https://msdn.microsoft.com/en-us/library/dd554932(v=vs.100).aspx

For example:

public void DoSomethingWithEventHandler(EventHandler<EventArgs> eventHandler) { Assembly.IsMemberOfCollectibleAssembly(eventHanlder.Method) }