In C#, why can't a List object be stored in a List<object> variable

Question

It seems that a List object cannot be stored in a List variable in C#, and can\'t even be explicitly cast that way.

List sl = new List

        

Answer 1

If you're using .NET 3.5 have a look at the Enumerable.Cast method. It's an extension method so you can call it directly on the List.

List sl = new List();
IEnumerable