C# 6 and .NET Core 1.0

Raising and handling events

Methods are often described as actions that an object can do. For example, a List class can add an item to itself or clear itself.

Events are often described as actions that happen to an object. For example, in a user interface, a Button has a Click event, click being something that happens to a button.

Another way of thinking of events is a way of exchanging messages between two objects.

Calling methods using delegates

You have already seen the most common way to call or execute a method: use the "dot" syntax to access the method using its name.

The other way to call or execute a method is to use a delegate. If you have used languages that support function pointers, then you can think of a delegate as being a type-safe ...