public MainMenu()
        {
            Name = "Main Menu";

            MenuHelpList.Add("1. Open Patients Menu");
            MenuHelpList.Add("2. Open Appointments Menu");
        }
        public PatientMenu()
        {
            Name = "Patient Menu";

            MenuHelpList.Add("1. Add patient");
            MenuHelpList.Add("2. Remove patient");
            MenuHelpList.Add("3. Get patient by ID");
            MenuHelpList.Add("4. List patients");
            MenuHelpList.Add("5. List patients over age X");
            MenuHelpList.Add("6. List patients under age X");
        }
        public AppointmentMenu()
        {
            Name = "Appointment Menu";

            MenuHelpList.Add("1. Add appointment");
            MenuHelpList.Add("2. Remove appointment");
            MenuHelpList.Add("3. List appointments");
            MenuHelpList.Add("4. List appointments of patient");
            MenuHelpList.Add("5. List appointments by diagnostic");
            MenuHelpList.Add("6. List appointments by emergency");
            MenuHelpList.Add("7. List appointments after date X");
            MenuHelpList.Add("8. List appointments before date X");
        }