public static T DeepClone<T>(T obj)
{
 using (var ms = new MemoryStream())
 {
   var formatter = new BinaryFormatter();
   formatter.Serialize(ms, obj);
   ms.Position = 0;

   return (T) formatter.Deserialize(ms);
 }
}


http://stackoverflow.com/questions/129389/how-do-you-do-a-deep-copy-of-an-object-in-net-c-specifically

C#.net深拷贝