Silverlight 下创建Hashtable

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using System;using System.Collections;using System.Collections.Generic;using System.Linq;namespace SFire.Framework{    /// <summary>    /// Silverlight下使用的哈希表    /// 创建者:sucsy    /// 创建日期:2012-2-27    /// </summary>    public class DataHashtable : IDictionary    {        List<HashTableItem> table = null;        public DataHashtable()        {            this.table = new List<HashTableItem>();        }        public void Add(object key, object value)        {            if (this.Contains(key) == false)            {                table.Add                    (                        new HashTableItem()                        {                            Key = key,                            Value = value                        }                    );            }            else            {                this[key] = value;            }        }        public void Clear()        {            table.Clear();        }        public bool Contains(object key)        {            foreach (HashTableItem item in this.table)            {                if (item.Key!=null && item.Key.Equals(key)) return true;            }            return false;        }        public IDictionaryEnumerator GetEnumerator()        {            return (IDictionaryEnumerator)this.table.ToArray().GetEnumerator();        }        public bool IsFixedSize        {            get { return false; }        }        public bool IsReadOnly        {            get { return false; }        }        public ICollection Keys        {            get { return this.table.Select(item => item.Key).ToArray(); }        }        public void Remove(object key)        {            HashTableItem item = Find(key);            if (item != null) this.table.Remove(item);        }        private HashTableItem Find(object key)        {            HashTableItem find = null;            foreach (HashTableItem item in this.table)            {                if (item.Key.Equals(key))                {                    find = item;                    break;                }            }            return find;        }        public ICollection Values        {            get { return this.table.Select(item => item.Value).ToArray(); }        }        public object this[object key]        {            get            {                HashTableItem item = Find(key);                if (item != null) return item.Value;                return null;            }            set            {                HashTableItem item = Find(key);                if (item != null) item.Value = value;            }        }        public void CopyTo(Array array, int index)        {            this.table.CopyTo((HashTableItem[])array, index);        }        public int Count        {            get { return this.table.Count; }        }        public bool IsSynchronized        {            get { return true; }        }        public object SyncRoot        {            get { return null; }        }        IEnumerator IEnumerable.GetEnumerator()        {            return this.table.GetEnumerator();        }    }    #region 哈希表项    /// <summary>    /// 哈希表项    /// </summary>    public class HashTableItem    {        /// <summary>        /// 关键字        /// </summary>        public object Key { get; set; }        /// <summary>        /// 源对象        /// </summary>        public object Value { get; set; }    }    #endregion}
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转载自:http://www.cnblogs.com/sucsy/archive/2013/05/25.html