public static DicomSnapshotEntities TestLoad(string baseFolder)
        {
            BaseFolder = baseFolder;
            Filename   = Path.Combine(BaseFolder, "DicomSnapshotEntities.xml");
            if (!File.Exists(Filename))
            {
                //MessageBox.Show("ûÓÐÊý¾Ý");
                return(null);
                //TestSave(new AirwayPatients());
            }
            var serializer          = new DataContractSerializer(typeof(DicomSnapshotEntities));
            DicomSnapshotEntities o = null;

            using (var stream = new MemoryStream(File.ReadAllBytes(Filename)))
            {
                o = serializer.ReadObject(stream) as DicomSnapshotEntities;
            }
            return(o);
        }
        public static void TestSave(DicomSnapshotEntities patients, string baseFolder)
        {
            BaseFolder = baseFolder;
            Filename   = Path.Combine(BaseFolder, "DicomSnapshotEntities.xml");
            if (!Directory.Exists(BaseFolder))
            {
                Directory.CreateDirectory(BaseFolder);
                if (!File.Exists(Filename))
                {
                    //File.Create(Filename);
                    File.Copy("DicomSnapshotEntities.xml", Filename, true);
                    //File.WriteAllText(Filename,"<ArrayOfAirwayPatient></ArrayOfAirwayPatient>");
                }
            }
            var serializer = new DataContractSerializer(typeof(DicomSnapshotEntities));

            using (var stream = new MemoryStream())
            {
                serializer.WriteObject(stream, patients);
                File.WriteAllBytes(Filename, stream.ToArray());
            }
        }