Determining if a .NET type is dynamic (created using Reflection.Emit)

Posted by Diego Mijelshon on Stack Overflow See other posts from Stack Overflow or by Diego Mijelshon
Published on 2010-04-23T16:45:15Z Indexed on 2010/04/23 17:23 UTC
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While the .NET 4 framework provides the Assembly.IsDynamic method, that's not the case with .NET 2.0/3.5.

The use case is simple: for logging purposes, I want to determine the underlying type name of an entity that might be wrapped by a dynamic proxy without having any references to NHibernate or Castle (which know about the proxy)

For example, I might have a CatProxYadaYada, but I'm interested in Cat.

What's the easiest way to get that type? I was thinking of this skeleton:

var type = obj.GetType();
while (IsProxy_Dynamic_Whatever(obj))
  type = type.BaseType;
return type;

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