/// <summary>

    /// WP手机,XML读写类

    /// </summary>

    public class WPXmlRW

    {

        /// <summary>

        /// 向WP手机,写入xml文件

        /// </summary>

        /// <param name="argStreamReader"></param>

        /// <param name="argFileName">写入的文件名</param>

        public void WriteToXml(StreamReader argStreamReader, string argFileName = "abc.xml")

        {

            //StreamReader sr = new StreamReader(stream123);//转化为可读流

            using (IsolatedStorageFile storage = IsolatedStorageFile.GetUserStoreForApplication())

            {

                //解析流 转化为XML

                XElement _xml = XElement.Parse(argStreamReader.ReadToEnd());

            XDocument doc = new XDocument(new XDeclaration("1.0", "utf-8", "yes"), _xml);

                //创建一个本地存储的文件流

                IsolatedStorageFileStream location = new IsolatedStorageFileStream(argFileName ,

                        System.IO.FileMode.Create, storage);

                //将本地存储文件流转化为可写流

                System.IO.StreamWriter file = new System.IO.StreamWriter(location);

                //将XML文件 保存到流file上 即已经写入到手机本地存储文件上

                doc.Save(file);

                file.Dispose();

                location.Dispose();

            }

        }

        /// <summary>

        /// 从WP手机中,读xml文件

        /// </summary>

        /// <param name="argFileName"></param>

        /// <returns></returns>

        public XElement ReadFromXml(string argFileName = "abc.xml")

        {

            using (IsolatedStorageFile storage = IsolatedStorageFile.GetUserStoreForApplication())

            {

                XElement _xml;//定义Linq的XML元素

                //打开本地存储文件

                IsolatedStorageFileStream location = new IsolatedStorageFileStream(argFileName, FileMode.Open, storage);

                //转化为可读流

                System.IO.StreamReader file = new System.IO.StreamReader(location);

                //解析流 转化为XML

                _xml = XElement.Parse(file.ReadToEnd());

                file.Dispose();

                location.Dispose();

                if (_xml.Name.LocalName != null)

                {

                    return _xml;

                }

            }

            return null;

        }

    }