C# 0 The Complete Reference

PART I

C h a p t e r   1 5 :  

D e l e g a t e s ,   E v e n t s ,   a n d   L a m b d a   E x p r e s s i o n s  

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PART IPART I

event

event-delegate event-name

 {

   add {

      // code to add an event to the chain

   }

   remove {

      // code to remove an event from the chain

   }

}

This form includes the two event accessors 

add

 and 

remove

. The 

add

 accessor is called 

when an event handler is added to the event chain, by using 

+=

. The 

remove

 accessor is 

called when an event handler is removed from the chain, by using 

– =

.

When

add

 or 

remove

 is called, it receives the handler to add or remove as a parameter. 

As with other types of accessors, this parameter is called