public static void CreateXmlFile()
        {
            // Read and write purchase orders.
            SerializeTest t = new SerializeTest();

            string path = Directory.GetParent(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData)).FullName;

            Console.WriteLine("Lagt i " + path);
            //Skab filen og gem den i brugerens home dir
            //t.CreatePO(path + "\\po.xml");
            t.CreatePO("po2.xml");
        }
        public static void ReadSavedXmlFile()
        {
            // Read and write purchase orders.
            SerializeTest t = new SerializeTest();

            string path = Directory.GetParent(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData)).FullName;

            if (Environment.OSVersion.Version.Major >= 6)
            {
                path = Directory.GetParent(path).ToString();
            }
            //Indlæs filen fra brugerens home dir
            t.ReadPO(path + "\\po.xml");
        }