xml serialization and deserialisation in c#

xmlcode.cs

 private void Serealization()
        {
            // serealisation data to xml
            using (Stream writer = new FileStream("Config.xml", FileMode.Create))
            {
                XmlSerializer serializer = new XmlSerializer(typeof(List<AppToLaunch>));
                serializer.Serialize(writer, appManager);
            }
        }

        private void Deserealization()
        {
            using (Stream stream = new FileStream("Config.xml", FileMode.Open))
            {
                XmlSerializer serializer = new XmlSerializer(typeof(List<AppToLaunch>));
                appManager = (List<AppToLaunch>)serializer.Deserialize(stream);
            }
        }