private void timer1_Tick(object sender, EventArgs e)
        {
            timer1.Stop();

            PB1.Hide();
            PB2.Hide();
            PB3.Hide();
            PB4.Hide();
            PB5.Hide();
            PB6.Hide();
            PB7.Hide();
            PB8.Hide();
            PB9.Hide();
            PB10.Hide();
            PB11.Hide();
            PB12.Hide();

            ALbl.Hide();
            BLbl.Hide();
            CLbl.Hide();
            DLbl.Hide();
            ELbl.Hide();
            FLbl.Hide();
            GLbl.Hide();
            HLbl.Hide();
            ILbl.Hide();
            JLbl.Hide();
            KLbl.Hide();
            LLbl.Hide();

            consigneRep_Lbl.Show();
            lettre1Lbl.Show();
            lettre1TB.Show();
            lettre2Lbl.Show();
            lettre2TB.Show();
            lettre3Lbl.Show();
            lettre3TB.Show();
            ValiderBtn.Show();
        }
        private void ValiderBtn_Click(object sender, EventArgs e)
        {
            if (cpt < 9)
            {
                if (lettre1TB.Text != "")
                {
                    if (lettre2TB.Text != "")
                    {
                        if (lettre3TB.Text != "")
                        {
                            cpt++;
                            repUser[0] = int.Parse(lettre1TB.Text);
                            repUser[1] = int.Parse(lettre2TB.Text);
                            repUser[2] = int.Parse(lettre3TB.Text);
                            score      = exo.calculeScore(repUser, bonneRep);

                            consigneRep_Lbl.Hide();
                            lettre1Lbl.Hide();
                            lettre1TB.Hide();
                            lettre2Lbl.Hide();
                            lettre2TB.Hide();
                            lettre3Lbl.Hide();
                            lettre3TB.Hide();
                            ValiderBtn.Hide();

                            lettre1Lbl.Text = "";
                            lettre2Lbl.Text = "";
                            lettre3Lbl.Text = "";
                            lettre1TB.Text  = "";
                            lettre2TB.Text  = "";
                            lettre3TB.Text  = "";

                            c = rnd.Next(0, 3);
                            EnonceLbl.ResetText();
                            EnonceLbl.Visible = false;
                            EnonceLbl.Text    = consigne[c];
                            EnonceLbl.Visible = true;

                            fig = rnd.Next(0, 9);
                            PB1.ImageLocation = imagesExo[3][fig];
                            PB1.Show();
                            reponses[0] = fig;

                            fig = rnd.Next(0, 9);
                            PB2.ImageLocation = imagesExo[0][fig];
                            PB2.Show();
                            reponses[1] = fig;

                            fig = rnd.Next(0, 9);
                            PB3.ImageLocation = imagesExo[2][fig];
                            PB3.Show();
                            reponses[2] = fig;

                            fig = rnd.Next(0, 9);
                            PB4.ImageLocation = imagesExo[1][fig];
                            PB4.Show();
                            reponses[3] = fig;

                            fig = rnd.Next(0, 9);
                            PB5.ImageLocation = imagesExo[3][fig];
                            PB5.Show();
                            reponses[4] = fig;

                            fig = rnd.Next(0, 9);
                            PB6.ImageLocation = imagesExo[1][fig];
                            PB6.Show();
                            reponses[5] = fig;

                            fig = rnd.Next(0, 9);
                            PB7.ImageLocation = imagesExo[2][fig];
                            PB7.Show();
                            reponses[6] = fig;

                            fig = rnd.Next(0, 9);
                            PB8.ImageLocation = imagesExo[0][fig];
                            PB8.Show();
                            reponses[7] = fig;

                            fig = rnd.Next(0, 9);
                            PB9.ImageLocation = imagesExo[3][fig];
                            PB9.Show();
                            reponses[8] = fig;

                            fig = rnd.Next(0, 9);
                            PB10.ImageLocation = imagesExo[2][fig];
                            PB10.Show();
                            reponses[9] = fig;

                            fig = rnd.Next(0, 9);
                            PB11.ImageLocation = imagesExo[1][fig];
                            PB11.Show();
                            reponses[10] = fig;

                            fig = rnd.Next(0, 9);
                            PB12.ImageLocation = imagesExo[0][fig];
                            PB12.Show();
                            reponses[11] = fig;


                            if (c == 0)
                            {
                                lettre1Lbl.Text = alphabet[1];
                                lettre2Lbl.Text = alphabet[7];
                                lettre3Lbl.Text = alphabet[11];
                                bonneRep[0]     = reponses[1];
                                bonneRep[1]     = reponses[7];
                                bonneRep[2]     = reponses[11];
                            }
                            if (c == 1)
                            {
                                lettre1Lbl.Text = alphabet[3];
                                lettre2Lbl.Text = alphabet[5];
                                lettre3Lbl.Text = alphabet[10];
                                bonneRep[0]     = reponses[3];
                                bonneRep[1]     = reponses[5];
                                bonneRep[2]     = reponses[10];
                            }
                            if (c == 2)
                            {
                                lettre1Lbl.Text = alphabet[2];
                                lettre2Lbl.Text = alphabet[6];
                                lettre3Lbl.Text = alphabet[9];
                                bonneRep[0]     = reponses[2];
                                bonneRep[1]     = reponses[6];
                                bonneRep[2]     = reponses[9];
                            }
                            if (c == 3)
                            {
                                lettre1Lbl.Text = alphabet[0];
                                lettre2Lbl.Text = alphabet[4];
                                lettre3Lbl.Text = alphabet[8];
                                bonneRep[0]     = reponses[0];
                                bonneRep[1]     = reponses[4];
                                bonneRep[2]     = reponses[8];
                            }


                            PB1.Show();
                            PB2.Show();
                            PB3.Show();
                            PB4.Show();
                            PB5.Show();
                            PB6.Show();
                            PB7.Show();
                            PB8.Show();
                            PB9.Show();
                            PB10.Show();
                            PB11.Show();
                            PB12.Show();

                            ALbl.Show();
                            BLbl.Show();
                            CLbl.Show();
                            DLbl.Show();
                            ELbl.Show();
                            FLbl.Show();
                            GLbl.Show();
                            HLbl.Show();
                            ILbl.Show();
                            JLbl.Show();
                            KLbl.Show();
                            LLbl.Show();

                            timer1.Start();
                        }
                        else
                        {
                            string message = "Veuillez remplir tous les champs !";
                            MessageBox.Show(message, "Erreur");
                        }
                    }
                    else
                    {
                        string message = "Veuillez remplir tous les champs !";
                        MessageBox.Show(message, "Erreur");
                    }
                }
                else
                {
                    string message = "Veuillez remplir tous les champs !";
                    MessageBox.Show(message, "Erreur");
                }
            }
            else
            {
                score = (score / 30) * 100;
                string message = "Vous avez " + score + "% de bonnes réponses !";
                MessageBox.Show(message, "Score");
                this.Close();
            }
        }