Learning C# 3.0

Test Your Knowledge: Quiz

Question 17-1. What is the purpose of a delegate?

Question 17-2. Are delegates value types or reference types?

Question 17-3. Suppose a Phone class has defined an OnPhoneRings delegate. How would you instantiate a delegate called myDelegate to refer to the myMethod method?

Question 17-4. Define the OnPhoneRings delegate from the preceding question as an event to signal that the phone has rung.

Question 17-5. Give an example of how you might call the delegated method from the previous question through the delegate.

Question 17-6. What does the event keyword do?

Question 17-7. How do you pass information into the method that is called through the event?

Question 17-8. What properties or methods does System.EventArgs have?

Question 17-9. How can you create delegated methods anonymously?

Question 17-10. What is returned by a lambda expression?