How do I convert a non-Generic IList to IList?

Question

I have class that wants an IList, but I have a Systems.Collection.IList, coming from an NHibernate quere.

I want to create a method th

Answer 1

If you're sure that all of the elements inherit from T (or whatever type you're using)

IList myList = nonGenericList.Cast().ToList();

If you're not sure:

IList myList = nonGenericList.OfType().ToList();

Of course, you will need the System.Linq namespace:

using System.Linq;