.net 4.0中的托管扩展性框架功能 [英] Managed Extensibility Framework feature in .net 4.0

问题描述

   我想知道.net 4.0中托管可扩展性框架
功能的基本概念，其中包含小型c＃示例及其优缺点。

    I would like to know the basic concept of Managed Extensibility Framework feature in .net 4.0 with small c# example and its advantages and disadvantages.

问候

Patil

推荐答案

MEF有3个主要组成部分：

MEF has 3 main components:

1 - 由属性（例如Import或ImportMany）标识的插件接收器

1 - a plugin receiver, identified by attributes (such as Import or ImportMany)

2 - 使用MEF类（目录等）的插件加载器

2 - a plugin loader, which uses the MEF classes (catalogs, etc)

3 - 由属性（导出）标识的插件提供商

3 - a plugin provider, identified by attributes (export)

 

接收方：

[ImportMany(typeof(iMyInterface))]
private static IEnumerable<iMyInterface> _Providers;

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