.net core get image from url

public System.Drawing.Image DownloadImageFromUrl(string imageUrl){    System.Drawing.Image image = null;     try    {        System.Net.HttpWebRequest webRequest = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(imageUrl);        webRequest.AllowWriteStreamBuffering = true;        webRequest.Timeout = 30000;         System.Net.WebResponse webResponse = webRequest.GetResponse();         System.IO.Stream stream = webResponse.GetResponseStream();         image = System.Drawing.Image.FromStream(stream);         webResponse.Close();    }    catch (Exception ex)    {        return null;    }     return image;}