C#快速实现IList非泛型类接口的自定义类作为数据源

   #region 做数据绑定必须实现的成员

        /// <summary>
        /// 添加元素必须的方法
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        /// <exception cref="NotImplementedException"></exception>
        public int Add(object? value)
        {
            list.Add(value);
            return list.Count;
            //throw new NotImplementedException();
        }
        public int Count { get { return list.Count; } }
        public object? this[int index] { 
            get { return list[index]; }
            set  { list[index] = value; }
             }
        /// <summary>
        /// 如果要作为DataGridView的数据源，必须实现这个属性
        /// </summary>
        public bool IsReadOnly { get { return false;}
        }
        /// <summary>
        /// 迭代必须的方法
        /// </summary>
        /// <returns></returns>
        /// <exception cref="NotImplementedException"></exception>
        public IEnumerator GetEnumerator()
        {
            return list.GetEnumerator();
            //throw new NotImplementedException();
        }
        #endregion