System.Net.HttpWebRequest.HttpWebRequest.SendRequestHeaders C# (CSharp) Method

		internal void SendRequestHeaders (bool propagate_error)
		{
			StringBuilder req = new StringBuilder ();
			string query;
			if (!ProxyQuery) {
				query = actualUri.PathAndQuery;
			} else {
				query = String.Format ("{0}://{1}{2}",  actualUri.Scheme,
									Host,
									actualUri.PathAndQuery);
			}
			
			if (servicePoint.ProtocolVersion != null && servicePoint.ProtocolVersion < version) {
				actualVersion = servicePoint.ProtocolVersion;
			} else {
				actualVersion = version;
			}

			req.AppendFormat ("{0} {1} HTTP/{2}.{3}\r\n", method, query,
								actualVersion.Major, actualVersion.Minor);
			req.Append (GetHeaders ());
			string reqstr = req.ToString ();
			byte [] bytes = Encoding.UTF8.GetBytes (reqstr);
			try {
				writeStream.SetHeaders (bytes);
			} catch (WebException wexc) {
				SetWriteStreamError (wexc.Status, wexc);
				if (propagate_error)
					throw;
			} catch (Exception exc) {
				SetWriteStreamError (WebExceptionStatus.SendFailure, exc);
				if (propagate_error)
					throw;
			}
		}