GuessTheNumber1

  public partial class Form1 : Form
    {
        Random rand = new Random();
        int randomNum;
        int counter=0;
        public Form1()
        {
            InitializeComponent();
            lbl_level.Visible = true;
            cb_levels.Visible = true;
            lbl_guessthenumber.Visible = false;
            tb_chislo.Visible = false;
            btn_guess.Visible = false;
            pb_thumbup.Visible = false;
            pb_up_down.Visible = false;
            lbl_tries.Visible = false;

        }

        private void btn_play_Click(object sender, EventArgs e)
        {
            lbl_tries.Text = "0";
            counter = 0;
            tb_chislo.Text = "";
            pb_up_down.Image = null;
            pb_thumbup = null;
            btn_guess.Enabled = true;


            switch (cb_levels.SelectedIndex)
            {
                case 0:
                    randomNum = rand.Next(1, 11);
                    lbl_guessthenumber.Visible = true;
                    lbl_level.Visible = true;
                    lbl_tries.Visible = true;
                    tb_chislo.Visible = true;
                    btn_guess.Visible = true;
                    cb_levels.Enabled = false;
                    break;
                case 1:
                    randomNum = rand.Next(1, 51);
                    lbl_guessthenumber.Visible = true;
                    lbl_level.Visible = true;
                    lbl_tries.Visible = true;
                    tb_chislo.Visible = true;
                    btn_guess.Visible = true;
                    cb_levels.Enabled = false;
                    break;
                case 2:
                    randomNum = rand.Next(1, 101);
                    lbl_guessthenumber.Visible = true;
                    lbl_level.Visible = true;
                    lbl_tries.Visible = true;
                    tb_chislo.Visible = true;
                    btn_guess.Visible = true;
                    cb_levels.Enabled = false;
                    break;
                case 3:
                    randomNum = rand.Next(1, 1001);
                    lbl_guessthenumber.Visible = true;
                    lbl_level.Visible = true;
                    lbl_tries.Visible = true;
                    tb_chislo.Visible = true;
                    btn_guess.Visible = true;
                    cb_levels.Enabled = false;
                    break;
                default:
                    MessageBox.Show("Choose level !");
                    cb_levels.Text=" ";
                    break;
            }

        }

        private void tb_chislo_KeyDown(object sender, KeyEventArgs e)
        {
            if(e.KeyCode==Keys.Enter)
            {
                btn_play_Click(sender,e);
            }
        }

        private void btn_guess_Click(object sender, EventArgs e)
        {

            try
            {
                if (randomNum > int.Parse(tb_chislo.Text))
                {
                    lbl_tries.Text = counter.ToString();
                    pb_up_down.Visible = true;
                    pb_up_down.Image = Properties.Resources.arrow_outline_pink_up;
                    counter++;
                }
                else if (randomNum < int.Parse(tb_chislo.Text))
                {
                    lbl_tries.Text = counter.ToString();
                    pb_up_down.Visible = true;
                    pb_up_down.Image = Properties.Resources.arrow_outline_pink_down;
                    counter++;
                }
                else if (randomNum == int.Parse(tb_chislo.Text))
                {
                    lbl_tries.Text = counter.ToString();
                    pb_thumbup.Visible = true;
                    pb_thumbup.Image = Properties.Resources.smiley_face_thumbs_up_clipart_thumbs_up_clipart_65;
                    MessageBox.Show("YOU WON, CONGRATS !!!", "", MessageBoxButtons.RetryCancel);
                    counter++;
                }
            }
            catch (Exception)
            {

                if (counter == 10 && randomNum != int.Parse(tb_chislo.Text))
                {

                    pb_thumbup.Visible = true;
                    pb_thumbup.Image = Properties.Resources.thumbs_down_smiley_md;
                    MessageBox.Show("YOU LOSE, try again !", " ", MessageBoxButtons.RetryCancel);
                }
            }




        }