Default,Text,URL,EmailSmtpAdress,EmailNameOrAddress,Maps,TelephoneNumber,Search,NameOrPhoneNumber,Chat.

            InputScope inPS = new InputScope();
            InputScopeName inN = new InputScopeName();
            inN.NameValue = InputScopeNameValue.TelephoneNumber;
            inPS.Names.Add(inN);
            txtInput.InputScope=inPS;