MyQQ project 3

using System;

namespace QQClass
{
 /// <summary>
 /// ClassUser 的摘要说明。
 /// </summary>
 [Serializable]
 public class ClassUsers: System.Collections.CollectionBase
 {
  public ClassUsers()
  {
   //
   // TODO: 在此处添加构造函数逻辑
   //
  }
  public void add(ClassUserInfo userInfo)
  {
   base.InnerList.Add(userInfo);
  }

  public void Romove(ClassUserInfo userInfo)
  {
   base.InnerList.Remove (userInfo);
  }

        public ClassUserInfo this[int index]
        {
            get
            {
                return ((ClassUserInfo)List[index]);
            }
            set
            {
                List[index] = value;
            }
        }
 }
}
CollectionBase can provide us more live list;