Disco.Services.Interop.ActiveDirectory.ADDomainController.RetrieveBySamAccountName C# (CSharp) Method

        private ADSearchResult RetrieveBySamAccountName(string Id, string LdapFilterTemplate, string[] LoadProperties)
        {
            var slashIndex = Id.IndexOf('\\');

            if (!this.Domain.NetBiosName.Equals(Id.Substring(0, slashIndex), StringComparison.OrdinalIgnoreCase))
                throw new ArgumentException(string.Format("The Id [{0}] is invalid for this domain [{1}]", Id, this.Domain.Name), "Id");

            var ldapFilter = string.Format(LdapFilterTemplate, Id.Substring(slashIndex + 1));

            return this.SearchEntireDomain(ldapFilter, LoadProperties, ActiveDirectory.SingleSearchResult).FirstOrDefault();
        }
        #endregion