问列表和ICollections

EN

List<T> genericList = new List<T>();
IList explicitIList = genericList;

bool isReadOnly = explicitIList.IsReadOnly;

    public class List<T> : IList<T>, ICollection<T>, IEnumerable<T>, IList, ICollection, IEnumerable
    {
        public List();
        public List(int capacity);
        public List(IEnumerable<T> collection);
        public int Capacity { get; set; }

        #region IList Members

        int IList.Add(object item);
        bool IList.Contains(object item);
        void ICollection.CopyTo(Array array, int arrayIndex);
        int IList.IndexOf(object item);
        void IList.Insert(int index, object item);
        void IList.Remove(object item);
        bool IList.IsFixedSize { get; }
        bool IList.IsReadOnly { get; }
        bool ICollection.IsSynchronized { get; }
        object ICollection.SyncRoot { get; }
        object IList.this[int index] { get; set; }

        #endregion

...and so on

}