C# 0 The Complete Reference

X

 is ever created. However, since 

Xhandler( )

 is 

a

static

 method of 

X

, it can be attached to 

SomeEvent

 and executed when 

OnSomeEvent( )

is called.

Using Event Accessors

The form of 

event

 used in the preceding examples created events that automatically manage 

the event handler invocation list, including the adding and subtracting of event handlers 

to and from the list. Thus, you did not need to implement any of the list management 

functionality yourself. Because they manage the details for you, these types of events are 

by far the most commonly used. It is possible, however, to provide the event handler list 

operations yourself, perhaps to implement some type of specialized event storage mechanism.

To take control of the event handler list, you will use an expanded form of the 

event

statement, which allows the use of 

event accessors.

 The accessors give you control over how 

the event handler list is implemented. This form is shown here:

www.freepdf-books.com

---