MySerializableClass myObject = new MySerializableClass();
  XmlSerializer mySerializer = new 
  XmlSerializer(typeof(MySerializableClass));
  StreamWriter myWriter = new StreamWriter("fileName.xml");
  mySerializer.Serialize(myWriter, myObject);
  myWriter.Close();

  MySerializableClass myObject;
  XmlSerializer mySerializer = new XmlSerializer(typeof(MySerializableClass));
  FileStream myFileStream = new FileStream("myFileName.xml", FileMode.Open);
  myObject = (MySerializableClass) 
  mySerializer.Deserialize(myFileStream)