动态地从外部程序集加载一个类型 [英] Dynamically load a type from an external assembly

问题描述

从托管代码，我该如何在运行时从另一个程序集加载一个托管类型，假设调用代码没有一个静态引用到装配？

From managed code, how do I load a managed type from another assembly at runtime, assuming the calling code does not have a static reference to the assembly?

要澄清一下，假设我有类库在编译成Lib.dll Lib.cs。我想写一个叫Foo.dll单独的程序一类Foo，不具有参考静态Lib.dll，而是加载Lib.dll，然后为类库的存在反映了，然后调用的方法就可以了。

To clarify, let's say I have class Lib in Lib.cs compiled into Lib.dll. I want to write a class Foo in a separate assembly called Foo.dll, that does not have a reference to Lib.dll statically, but instead loads Lib.dll and then reflects on for the presence of the class Lib and then calls a method on it.

对不起，在这样的反思一个明显的问题。我想它会需要少得多的时间来得到一个论坛，读几篇文章的答案。

Sorry for such an obvious question on Reflection. I figure it'll take much lesser time to get the answer on a forum that to read a few articles.

推荐答案

下面是其中一小段：

Assembly assembly = Assembly.LoadFile("Lib.dll");
ILib lib = (ILib)assembly.CreateInstance("Lib");
lib.doSomething();

当然的lib类必须实现ILIB接口，它必须是可访问无论从Foo.dll和lib .dll文件。这样，您就实现抽象。

Of course the Lib class must implement the ILib interface which must be accessible both from Foo.dll and Lib.dll. This way you achieve abstraction.

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