软件设计模式C#
Software Design Patterns in C#
设计模式（Design Patterns）是你在实际应用程序开发中，对不断发现的软件设计问题的重复解决方案。设计模式是关于对象的设计和交互，关于对经常出现的软件开发挑战的一些完美和重用的解决方案，也提供了一个交流平台，四人帮”（GOF）模式被认为是所有其他模式的基础，23种设计模式分为3类：创建型模式（Creational Pattern），结构型模式（Structural Pattern）和行为型模式（Behavioral Pattern）。为了让你先起步，这里提供了2种形式的源码：结构方面的（structural）和现实应用方法的（real-world）。结构方面的代码使用模式定义和UML类图中提供的类型名称，而实际应用方面的代码提供了你需要使用模式的真实设计情况。
Creational Patterns 创建型模式
Abstract Factory Creates an instance of several families of classes
Builder Separates object construction from its representation
Factory Method Creates an instance of several derived classes
Prototype A fully initialized instance to be copied or cloned
Singleton A class of which only a single instance can exist
Structural Patterns 结构型模式
Adapter Match interfaces of different classes
Bridge Separates an object’s interface from its implementation
Composite A tree structure of simple and composite objects
Decorator Add responsibilities to objects dynamically
Façade A single class that represents an entire subsystem
Flyweight A fine-grained instance used for efficient sharing
Proxy An object representing another object
Chain of Resp. A way of passing a request between a chain of objects
Command Encapsulate a command request as an object
Interpreter A way to include language elements in a program
Iterator Sequentially access the elements of a collection
Mediator Defines simplified communication between classes
Memento Capture and restore an object's internal state
Observer A way of notifying change to a number of classes
State Alter an object's behavior when its state changes
Strategy Encapsulates an algorithm inside a class
Template Method Defer the exact steps of an algorithm to a subclass
Visitor Defines a new operation to a class without change
原英文URL：
http://www.dofactory.com/Patterns/Patterns.aspx#list
上述各类模式的链接均提供了简单的解释、UML类图、Structural code（C#）和Real-world code（C#）。