public override State handleLeft2BTNClick()
        {
            State nextStep = new ValidatePINState(mainForm, "MALAY");

            return(nextStep);
        }
        public override State handleLeft3BTNClick()
        {
            State nextStep = new ValidatePINState(mainForm, "CHINESE");

            return(nextStep);
        }
        public override State handleLeft1BTNClick()
        {
            State nextStep = new ValidatePINState(mainForm, "ENGLISH");

            return(nextStep);
        }