title: What are the performance characteristics of 'is' reflection in C#?
body: <p>It's <a href="http://www.codeproject.com/KB/cs/csharpcasts.aspx" rel="noreferrer">shown</a> that 'as' casting is much faster than prefix casting, but what about 'is' reflection?  How bad is it?  As you can imagine, searching for 'is' on Google isn't terribly effective.</p>