Load Image from Oracle BLOB into WPF Image Control

using System.Windows;
using System.Data.OracleClient;
using System.Data;

namespace WpfLoadOracleBlob
{
 ////// Interaction logic for Window1.xaml
 ///public partial class Window1 : Window
 {
  public Window1()
  {
   InitializeComponent();
  }

  private void Window_Loaded(object sender, RoutedEventArgs e)
  {
   OracleConnection conn = new OracleConnection(
   "Data Source=localhost;" +
   "Persist Security Info=True;" +
   "User ID=C07;Password=C07;Unicode=True");
   conn.Open();

   OracleDataAdapter ad = new OracleDataAdapter(
   "SELECT ROWNUM, GAMBAR_BIN FROM GAMBAR",
   conn);

   DataTable tb = new DataTable();
   ad.Fill(tb);
   comboBox1.DataContext = tb;

   conn.Close();
  }
 }
}