Essential C# 2.0

Chapter 13. Delegates and Events Previous chapters discussed extensively how to create classes using many of the built-in C# language facilities surrounding classes. The objects instantiated from classes encapsulate data and operations on da...

Method Pointers Veteran C and C++ programmers have long used method pointers as a means to pass executable steps as parameters to another method. C# achieves the same functionality using a delegate, which encapsulates methods as objects, enabling ...

Multicast Delegates and the Observer Pattern In this chapter, you've seen how to store a single method inside an instance of a delegate type and invoke that method via the delegate. Delegates are more than storage mechanisms for a single method,...

Events There are two key problems with the delegates as you have used them so far. To overcome these issues, C# uses the keyword event. In this section, you will see why you would use events, and how they work. Why Events? This chapter has cov...

Summary This chapter began with a discussion of delegates and their use as method pointers and callbacks. Next, it discussed the full potential of a delegate within the observer pattern. Now that you have described events, it is worth mentioning t...