using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
class MainClass : Window
{
[STAThread]
public static void Main()
{
Application app = new Application();
app.Run(new MainClass());
}
public MainClass()
{
Uri uri = new Uri("http://www.your site here.com/a.jpg");
BitmapImage bitmap = new BitmapImage(uri);
Image img = new Image();
img.Source = bitmap;
Content = img;
}
}