HashTable例子：

 #region HashTable

            #region Add

            Hashtable hashTable = new Hashtable();

            Hashtable hashTableNews = new Hashtable();

            string[] StringArray=new string[];

            hashTableNews.Add(, StringArray);

            hashTableNews.Add(, );

            hashTableNews.Add(,);

            Console.WriteLine(hashTableNews.);

            object[] Array = new object[];

            hashTable.Add(, "第一");

            hashTable.Add(, "第二");

            hashTable.Add(, "第三");

            hashTable.Add(, "第四");

            hashTable.Add(, "第五");

            hashTable.Add(, "第六");

            #endregion

            #region Contains

            bool ContainsResult = hashTable.Contains();//查找Key值

            Console.WriteLine(ContainsResult);

            bool ContainsKeysResult = hashTable.ContainsKey();//查找Key值

            Console.WriteLine(ContainsKeysResult);

            bool ContainsValueResult = hashTable.ContainsValue("第一");//查找Value值

            Console.WriteLine(ContainsValueResult);

            #endregion

            int i = hashTable.Count;

            Console.WriteLine(i);

            foreach (DictionaryEntry dicEntry in hashTable)

            {

                Console.WriteLine(" " + dicEntry.Key + " " + dicEntry.Value);

            }

            foreach (var key in hashTable.Keys)

            {

                Console.WriteLine(" " + key + " " + hashTable[key]);

            }

            Hashtable hashTableNew = (Hashtable)hashTable.Clone();//浅表复制，只复制结构    

            hashTable.CopyTo(Array, );

            foreach (var item in Array)

            {

                Console.WriteLine(" " + item);

            }

            DictionaryEntry[] Array1 = new DictionaryEntry[];

            hashTable.CopyTo(Array1, );

            foreach (DictionaryEntry item1 in Array1)

            {

                Console.WriteLine(" " + item1.Key + " " + item1.Value);

            }

            #region Equals

            Hashtable hashTable1 = new Hashtable();

            hashTable1.Add(, "第一");

            hashTable1.Add(, "第二");

            hashTable1.Add(, "第三");

            hashTable1.Add(, "第四");

            hashTable1.Add(, "第五");

            hashTable1.Add(, "第六");

            bool result1 = hashTable.Equals(hashTable1);

            Hashtable hashTable2 = new Hashtable();

            hashTable2.Add(, "第一");

            hashTable2.Add(, "第二");

            hashTable2.Add(, "第三");

            hashTable2.Add(, "第四");

            hashTable2.Add(, "第五");

            hashTable2.Add(, "第六");

            bool result2 = hashTable.Equals(hashTable2);

            Console.WriteLine(result2);

            Hashtable hashTable3 = hashTable;

            bool result3 = hashTable.Equals(hashTable3);

            Console.WriteLine(result3);

            #endregion

            Console.ReadLine();

            hashTable.Remove();

            hashTable.Clear();    

            #endregion

            #region Dictionary

           Dictionary<string, int> dictionary = new Dictionary<string, int>();

           Dictionary<string, string[]> dictionary1 = new Dictionary<string, string[]>();

           Dictionary<string, ArrayList> dictionary2 = new Dictionary<string, ArrayList>();

           Dictionary<string, emp> dictionary3 = new Dictionary<string, emp>();

           Dictionary<string[], int> dictionary4 = new Dictionary<string[], int>();

           string[] value = new string[];

           value[] = "";

           dictionary1.Add("", value);

           foreach (var item in dictionary1)

           {

               Console.WriteLine(" " + item.Key );

               foreach (var items in item.Value)

               {

                   Console.WriteLine(" " + items);

               }

           }

           Console.ReadLine();

            #endregion