protected override ActionResult DoWork() { // Заполняем ComboBox серверами. WixComboItem[] servers = (from s in Session.GetService<ISessionServerInfoExtension>().GetServerInfos() select new WixComboItem(s.Name, s.Name)).ToArray(); WixComboBox combo = new WixComboBox(Session, sessionProp.ControlProperty); combo.ClearItems(); if (servers.Length > 0) { combo.AddItems(servers); combo.SelectedValue = servers[0].Value; } else combo.SelectedValue = ""; return ActionResult.Success; }