Pro C# 2010 and the .NET 4 Platform, Fifth Edition

11.12. Summary

In this chapter, you have examined a number of ways in which multiple objects can partake in a bidirectional conversation. First, you looked at the C# delegate keyword, which is used to indirectly construct a class derived from System.MulticastDelegate. As you saw, a delegate object maintains a list of methods to call when told to do so. These invocations may be made synchronously (using the Invoke() method) or asynchronously (via the BeginInvoke() and EndInvoke() methods). Again, the asynchronous nature of .NET delegate types will be examined in Chapter 19.

You then examined the C# event keyword, which, when used in conjunction with a delegate type, can simplify the process of sending your event notifications to waiting callers. ...