public IEnumerator GetEnumerator()
    {
        //Is this right?
        return this.List.GetEnumerator();
    }

    #endregion

    #region IEnumerable<T> Members

    IEnumerator<T> IEnumerable<T>.GetEnumerator()
    {
        // how i am gona implement it?

    }

public class SortedList<T> : ISortable<T>
    {
        public List<T> List { get; private set; }
        public string Sort { get; private set; }
        public string Order { get; private set; }
        public SortedList(List<T> list, string sort = null, string order = null)
        {
            List = list;
            Sort = sort;
            Order = order;
        }
        public IEnumerator GetEnumerator()
        {

        }

        IEnumerator<T> IEnumerable<T>.GetEnumerator()
        {

        }
    }