XML 序列化 二进制 反序列化 回来

            InitializeComponent();
            List<WswModel> ListModel = new List<WswModel>();
            string FilePath = @"../../XML/UserAddDelectUpdate.xml";
            string FilePathBin = @"wsw.wsw";
            XmlDocument XmlDoc = new XmlDocument();
            BinaryFormatter binaryFromatter = new BinaryFormatter();

            XmlDoc.Load(FilePath);
            XmlNode XNode = XmlDoc.SelectSingleNode("UserTableXml");
            XmlNodeList XNodeList = XNode.ChildNodes;

            foreach (XmlNode Xnode in XNodeList)
            {
                WswModel UserTabel = new WswModel();
                UserTabel.UserId = int.Parse(Xnode["UserId"].InnerText);
                UserTabel.UserName = Xnode["UserName"].InnerText;
                UserTabel.UserAge = int.Parse(Xnode["UserAge"].InnerText);
                ListModel.Add(UserTabel);
            }
            if (File.Exists(FilePathBin).Equals(false))
            {
                FileStream fs = new FileStream(FilePathBin, FileMode.CreateNew);
                binaryFromatter.Serialize(fs, ListModel);
                fs.Close();
            }
            FileStream fileStream = File.Open(FilePathBin, FileMode.Open);

            List<WswModel> listModel = (List<WswModel>)binaryFromatter.Deserialize(fileStream);
            Wsw.DataContext = listModel;