private void UpdateHostNames() { if (HostNames != null) { string hostname = WebsitesClient.GetHostName(Name, Slot); List <string> newHostNames = new List <string>(); if (!HostNames.Contains(hostname)) { newHostNames.Add(hostname); newHostNames.AddRange(HostNames); } if (newHostNames.Count > 0) { WebsitesClient.UpdateWebsiteHostNames(website, newHostNames, Slot); } } }