Visual Studio 2010 공식 팀 블로그 @vsts2010

 class Serializer
{
    internal static bool Serialize<T>(T source, string fileName)
    {
        try
        {
            XmlSerializer serializer = new XmlSerializer(typeof(T));
            Stream stream = new FileStream(fileName, FileMode.Create,
                   FileAccess.Write, FileShare.None);
            serializer.Serialize(stream, source);
            stream.Close();

            return true;
        }
        catch (Exception ex)
        {
            throw ex;
        }
    }

    internal static T Deserialize<T>(string fileName) where T : class, new()
    {
        T target;
        FileInfo _settingFile = new FileInfo(fileName);
        if (!_settingFile.Exists)
        {
            return new T();
        }

        try
        {
            XmlSerializer serializer = new XmlSerializer(typeof(T));
            Stream stream = new FileStream(fileName, FileMode.Open,
                   FileAccess.Read, FileShare.None);
            target = serializer.Deserialize(stream) as T;
            stream.Close();

            return target;
        }
        catch (Exception ex)
        {
            throw ex;
        }
    }
}

public class Pair
{
    public int Id { get; set; }
    public string Name { get; set; }
}

class Program
{
    static bool SerializePairs(List<Pair> pairs)
    {
        try
        {
            Serializer.Serialize<List<Pair>>(pairs, "Pairs.xml");

            return true;
        }
        catch(Exception ex)
        {
            Console.WriteLine(ex.Message);
            return false;
        }
    }

    static List<Pair> DeserializePairs()
    {
        try
        {
            return Serializer.Deserialize<List<Pair>>("Pairs.xml");
        }
        catch (Exception ex)
        {
            Console.WriteLine(ex.Message);
            return new List<Pair>();
        }
    }

    static void Main(string[] args)
    {
        List<Pair> pairs = new List<Pair>
        {
            new Pair{
                Id=1,
                Name="홍길동"
            },
            new Pair{
                Id=2,
                Name="루저"
            },
            new Pair{
                Id=3,
                Name="위너"
            }
        };

        SerializePairs(pairs);
        List<Pair> pairs2 = DeserializePairs();

        foreach (Pair pair in pairs2)
        {
            Console.WriteLine(
                string.Format("{0} : {1}",
                    pair.Id,
                    pair.Name)
                );
        }
    }
}