observer pattern in net

Reprint: http://www.cnblogs.com/zuoxiaolong/p/pattern7.htmlIn this chapter we discuss a design pattern, the observer pattern, that may be used in a Web project, in addition to the previous singleton and proxy mode.Speaking of the observer mode, LZ

Server| Notes | Design This time we'll look at the application of design patterns in Issuevision, issuevision mainly uses observer (Observer) mode and command mode. See you today observer (Observer) The application of pattern in issuevision plays an

The Design Observer pattern (Observer) perfectly separated the observer from the observed object. For example, the user interface can be used as an observer, the business data is observed, the user interface observes the changes in the business data,

Server [Introduction] Microsoft's top technology guru Jeffrey Richter's work has always been a must-see. This article is no exception to help developers with this monograph on Observer mode. Observer mode is one of the most widely used and flexible

Observer mode: The Observer Pattern Defines a one-to-define dependency between objects so that when one object changes state, all of its dependents are notified and updated automatically. (The Observer mode defines a one-to-many dependency between

Overview:The recent ups and downs of China's stock market, of course, the ups and downs of business opportunities, Xiao Ming found the consequences of business opportunities in the market, bought Chinese securities, he wants to computer client, on

Overview: China's stock market has recently fluctuated, of course, the ups and downs on the business opportunities, Xiaoming found the consequences of the market, bought the Chinese securities, he wanted to be on the computer client, on the web, on

The observer mode perfectly separates the observer from the observed object. For example, the user interface can act as an observer. business data is observed. The user interface observes changes in business data and displays the changes on the

. Net Design Pattern (Observer Pattern) and observerpattern1. Introduction to observer mode (Brief Introduction) The observer mode defines a one-to-many dependency, allowing multiple observer objects to listen to a topic object at the same time.

Overview In the process of building software, we need to establish a "Notification dependency" for some objects-the state of an object (target object) changes, and all dependent objects (Observer objects) will be notified. If such dependency is