C#

[ValueConversion(typeof(byte[]), typeof(ImageSource))]
   public class ByteArrayToImageSource : IValueConverter
   {
       #region Implementation of IValueConverter

       public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
       {
           var byteArrayImage = value as byte[];

           if (byteArrayImage != null && byteArrayImage.Length > 0)
           {
               var ms = new MemoryStream(byteArrayImage);

               var bitmapImg = new BitmapImage();

               bitmapImg.BeginInit();
               bitmapImg.StreamSource = ms;
               bitmapImg.EndInit();

               return bitmapImg;
           }

           return null;
       }

       public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
       {
           return null;
       }

       #endregion
   }

private class State
       {
           public CultureInfo Result { get; set; }
       }
       private void button1_Click(object sender, EventArgs e)
       {
           Thread.CurrentThread.CurrentCulture.ClearCachedData();
           var thread = new Thread(
               s => ((State)s).Result = Thread.CurrentThread.CurrentCulture);
           var state = new State();
           thread.Start(state);
           thread.Join();
           var culture = state.Result;

           MessageBox.Show(culture.ToString());

       }