扩展类

[liyoubaidu]

类：

    public class TwoValueDictionary<Key, FValue, SValue>
    {
        private Dictionary<Key, values> innerdic = new Dictionary<Key, values>();
        public TwoValueDictionary()
        {

        }

        public void Add(Key key, FValue v1, SValue v2)
        {
            innerdic.Add(key, new values() { FirstValue = v1, SecondValue = v2 });
        }

        public class values
        {
            public FValue FirstValue { get; set; }

            public SValue SecondValue { get; set; }
        }

        public values this[Key key]
        {
            get {
                return innerdic[key];
            }
            set {
                innerdic[key] = value;
            }

        }
    }

测试：

            //id--------name----------url------
            //1---------百度----------www.baidu.com
            //2---------谷歌----------www.google.com.hk
            //3---------腾讯----------www.qq.com
            TwoValueDictionary<int, string, string> dic = new TwoValueDictionary<int, string, string>();
            dic.Add(1, "百度", "www.baidu.com");
            dic.Add(2, "谷歌", "www.google.com.hk");
            dic.Add(3, "腾讯", "www.qq.com");

            for (int i = 1; i <= 3; i++)
            {
                Console.WriteLine(string.Format("previous value is name:{0}, url:{1}", dic[i].FirstValue, dic[i].SecondValue));
                dic[i].SecondValue = "www.taobao.com";
                dic[i].FirstValue = "淘宝";
                Console.WriteLine(string.Format("               now value is name:{0}, url:{1}", dic[i].FirstValue, dic[i].SecondValue));
            }
            Console.Read();

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