Self referencing interface

Question

This is the kind of thing I want to do:

Interface IMyInterface
{
    List GetAll(string whatever)
}

so that classes imp

Answer 1

This works for me:

public interface IMyInterface
{
    List GetAll(string whatever);
}

public class Program : IMyInterface
{
    public string Member { get; set; }

    public List GetAll(string whatever)
    {
        return new List()
            { new Program() { Member = whatever } };
    }

    static void Main(string[] args)
    {
        List all = new Program().GetAll("whatever");
        Console.WriteLine(all.Count);
    }
}