public static KeyValue[] GetDomainGroups(string source, string filter)
        {
            IWFAdminService svc = Common.GetAdminAPI();

            KeyValue[] grps = null;
            try
            {
                grps = svc.GetDomainGroups(source, filter);
            }

            catch (Exception ex)
            {
            }
            return(grps);
        }