Récupérer une vidéo d'une caméra IP

Réponse acceptée !
HttpWebRequest req = (HttpWebRequest)WebRequest.Create("http://hostname");
req.Credentials = new NetworkCredential("userName", "Password");

byte[] buffer = new byte[100000];
int read, total = 0;

WebResponse resp = req.GetResponse();
Stream stream = resp.GetResponseStream();

while ((read = stream.Read(buffer, total, 1000)) != 0)
   total += read;

if (total > 0)
{
    Bitmap bmp = (Bitmap)Bitmap.FromStream(new MemoryStream(buffer, 0, total));
    pictureBox1.Size = bmp.Size;
    pictureBox1.BackgroundImage = bmp;
}