Difference between revisions of "Delegate"

From GNUstepWiki
Jump to navigation Jump to search
 
Line 1: Line 1:
 +
A delegate object is an object which acts on behalf of another object by implementing messages which allow the delegate to interfere in the normal flow of events, unlike notifications which only allow the receiver to react to the event.
 +
 +
Delegates are typically used to avoid subclassing.
 +
 
Extend with Delegates: http://cocoadevcentral.com/articles/000075.php
 
Extend with Delegates: http://cocoadevcentral.com/articles/000075.php

Revision as of 13:58, 30 August 2005

A delegate object is an object which acts on behalf of another object by implementing messages which allow the delegate to interfere in the normal flow of events, unlike notifications which only allow the receiver to react to the event.

Delegates are typically used to avoid subclassing.

Extend with Delegates: http://cocoadevcentral.com/articles/000075.php