Is it possible to change headers order using HttpWebRequest

HttpWebRequest request = (HttpWebRequest)WebRequest.Create(URL);
request.Method = context.Request.HttpMethod;
request.UserAgent = context.Request.UserAgent;

GET /* HTTP/1.1
User-Agent: My Server
Host: 127.0.0.1:1080

GET /* HTTP/1.1
Host: 127.0.0.1:1080
User-Agent: My Server