In this chapter you’ll:

• Use composition to allow a class to have references to objects of other classes as members.

• Throw an exception to indicate that an argument is out of range.

• Enable an object to refer to itself with the keyword this.

• Use static variables and methods.

• Use readonly fields.

• Take advantage of C#’s memory-management features.

• Use the IDE’s Class View and Object Browser windows.

• Use object initializers to create an object and initialize it in the same statement.

• Overload built-in operators to work with objects of your own types.

• Define your own value type with struct.

• Use extension methods to enhance an existing class’s capabilities.