public void SaveData(string entryPath)
        {
            var path = Path.Combine(entryPath, _fileName);
            var data = new PathHistory();
            data.Path = History.ToArray();

            using (var stream = new FileStream(path, FileMode.OpenOrCreate))
            {
                var ser = new DataContractSerializer(typeof(PathHistory));
                ser.WriteObject(stream, data);
            }
        }
        public void SaveData(string entryPath)
        {
            var path = Path.Combine(entryPath, _fileName);
            var data = new PathHistory();

            data.Path = History.ToArray();

            using (var stream = new FileStream(path, FileMode.OpenOrCreate))
            {
                var ser = new DataContractSerializer(typeof(PathHistory));
                ser.WriteObject(stream, data);
            }
        }