byte[] buff = resourceClient.DownLoadImage(path);
            BitmapImage bmp = new BitmapImage();
            if (buff != null)
            {
                bmp.BeginInit();
                bmp.StreamSource = new MemoryStream(buff);
                bmp.EndInit();
            }
            JpegBitmapEncoder encoder = new JpegBitmapEncoder();
            encoder.Frames.Add(BitmapFrame.Create(bmp));

            FileStream fileStream = new FileStream(System.IO.Directory.GetCurrentDirectory(), FileMode.Create, FileAccess.ReadWrite);
            encoder.Save(fileStream);
            fileStream.Close();