C#

public partial class MainWindow : Window
   {
       public MainWindow()
       {
           InitializeComponent();
       }

       DispatcherTimer timer1 = new DispatcherTimer();

       public BitmapImage StreamImage()
       {
           while (true)
           {
               var date = DateTime.Now.Hour;
               string url = @"http://ipaddress/jpg/image.jpg?" + date;
               BitmapImage image = new BitmapImage();
               image.BeginInit();
               image.UriSource = new Uri(url);
               image.EndInit();
               image.DownloadCompleted += new EventHandler(image_DownloadCompleted);
               //image.Freeze();
               return image;
           }
       }
       public void image_DownloadCompleted(Object sender, EventArgs args)
       {

           image1.Source = StreamImage();

       }

       private void button1_Click(object sender, RoutedEventArgs e)
       {
           timer1.Interval = new TimeSpan(0, 0, 5);
           timer1.Tick += new EventHandler(image_DownloadCompleted);
           timer1.Start();

       }

   }

public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }
 
        DispatcherTimer timer1 = new DispatcherTimer();
        
        public void StreamImage()
        {
            while (true)
            {
                var date = DateTime.Now.Hour;
                string url = @"http://ipaddress/jpg/image.jpg?" + date;
                BitmapImage image = new BitmapImage();
                image.DownloadCompleted += (s,e) =>
                {
                  image.Freeze();
                  image1.Source = image;
                }
                image.CacheOption = BitmapCacheOption.OnLoad;
                image.BeginInit();
                image.UriSource = new Uri(url);
                image.EndInit();
            }
        }
        public void StartStreaming(Object sender, EventArgs args) 
        {
            StreamImage();
        }
 
        private void button1_Click(object sender, RoutedEventArgs e)
        {
            timer1.Interval = new TimeSpan(0, 0, 5);
            timer1.Tick += StartStreaming;
            timer1.Start();
 
        }
 
    }

Exception of type 'System.OutOfMemoryException'.

HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Credentials = new NetworkCredential("user", "password");
HttpWebResponse response = (HttpWebResponse)request.GetResponse();