CInject (or CodeInject) 允许直接往托管的代码中注入代码，而无需反编译。可在单个或者多个方法中注入你要执行的代码。使用 CInject 时你无需了解目标应用的细节，你通过注入来轻松对应用功能进行改造.
Provides runtime intelligence such as
Values of arguments to the called function
Object life time of a method / variables called within the method
Allows customization of logging or diagnostics
Allows extension of injectors to tailor your own solution as the need be
Measure the method execution time to check performance
Build your own plugins using CInject information
CInject supports building your own plugins
The plugin receives information from the application such as
Target assembly & method
Injector assembly & method
Processing details, results with timestamp
Exceptions and errors
Customized Plugin menu in CInject application
项目主页：http://codeinject.codeplex.com/
来自:开源中国社区
