What is the default serialization used by the ASP.net HttpRuntime.Cache

Question

Just wondering if anyone knows definitively what the default serialization used by the ASP.net HttpRuntime.Cache is? Is it Binary, XML, something else?

I ask because

Answer 1

According to Reflector, HttpRuntime.Cache doesn't serialize data at all, it merely stores it in memory in a Hashtable.

You say you wrap calls to the cache inside your own singleton object. Why do you do this? HttpRuntime.Cache is a static property, and so your wrapper methods can be static too.