class Program
    {
        static void Main(string[] args)
        {

            List<IMyList> myList = new List<T>(); 
            myList.Add( new T { Name = "::" });

        }
    }

    public interface IMyList
    {
        string Name { get; set; }
    }
    
    public class T : IMyList
    {
        private string _name;
        public string Name
        {
            get { return _name; }
            set { _name = value; }
        }

        public T()
        {

        }
    }

List<T> myList = new List<T>();