Getting the target of an HTTP redirect in C#

gistfile1.cs

string GetRedirectTarget(string url)
{
    System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)WebRequest.Create(url);
    request.AllowAutoRedirect = false;
    System.Net.HttpWebResponse response = (System.Net.HttpWebResponse)request.GetResponse();
    return response.Headers.Get("Location");
}