//Enter button to add your name to the high score event handler
 private void enterScoreBtn_Click(object sender, EventArgs e)
 {
     //checks length is at least 3 characters
     if (NameBox.Text.Length > 2)
     {
         string input = NameBox.Text;
         Console.WriteLine(input);
         //sets up string to write to file
         string line = input + "," + score + "\n";
         NameBox.Hide();
         nameLbl.Hide();
         enterScoreBtn.Hide();
         //writes to file
         writeToFile(line);
         // reads and sorts score board from file
         readFromFile();
         NameNotifLbl.Text = "Leaderboard updated";
         NameNotifLbl.Show();
     }
     else
     {
         NameNotifLbl.Text = "Name must be at least 3 characters";
         NameNotifLbl.Show();
     }
 }
        /*
         * constructor for high score form.
         */
        public HighScore(int score, int gameMode)
        {
            InitializeComponent();
            NameBox.Hide();
            nameLbl.Hide();
            enterScoreBtn.Hide();

            NameNotifLbl.Hide();
            this.score    = score;
            scoreLbl.Text = "SCORE: " + score;
            this.gameMode = gameMode;
        }