获取所有实现接口的类型

Getting all types that implement an interface(获取所有实现接口的类型)

问题描述

Using reflection, how can I get all types that implement an interface with C# 3.0/.NET 3.5 with the least code, and minimizing iterations?

This is what I want to re-write:

foreach (Type t in this.GetType().Assembly.GetTypes())
    if (t is IMyInterface)
        ; //do stuff

Mine would be this in c# 3.0 :)

var type = typeof(IMyInterface);
var types = AppDomain.CurrentDomain.GetAssemblies()
    .SelectMany(s => s.GetTypes())
    .Where(p => type.IsAssignableFrom(p));

Basically, the least amount of iterations will always be:

loop assemblies  
 loop types  
  see if implemented.

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