Read-only list or unmodifiable list in .NET 4.0

Question

From what I can tell, .NET 4.0 still lacks read-only lists. Why does the framework still lack this functionality? Isn\'t this one of the commonest pieces of functionality fo

Answer 1

For those who like to use interfaces: .NET 4.5 adds the generic IReadOnlyList interface which is implemented by List for example.

It is similar to IReadOnlyCollection and adds an Item indexer property.