DRAG DROP
You are implementing a method that creates an instance of a class named User. The User class
contains a public event named Renamed. The following code segment defines the Renamed event:
Public event EventHandler<RenameEventArgs> Renamed;
You need to create an event handler for the Renamed event by using a lambda expression.
How should you complete the relevant code? (To answer, drag the appropriate code segments to
the correct locations in the answer are
a. Each code segment may be used once, more than once, or not at all. You may need to drag the
split bar between panes or scroll to view content.)
Answer: 
Explanation:
.. could somebody explain the correct answer please ?
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it’s a contract form to define and attacch an event handler
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@see http://stackoverflow.com/questions/803242/understanding-events-and-event-handlers-in-c-sharp
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conc. lambda-expression
@see http://stackoverflow.com/questions/2465040/using-lambda-expressions-for-event-handlers
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4. “user.Renamed += (sender, e) =>” (because lambda needed)
6. “users.Add(user);”
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