private void next_Click(object sender, EventArgs e) { if (cnt < 11) { if (UserControlTop.ucTop.getAnswer() > -1) { mark += UserControlTop.ucTop.getAnswer(); lblmark.Text = mark.ToString(); } } else { if (UserControlEnd.ucEnd.getAnswer() > -1) { mark += UserControlEnd.ucEnd.getAnswer(); lblmark.Text = mark.ToString(); } } if (cnt <= 9) { UserControlTop.ucTop = null; if (!panel1.Controls.Contains(UserControlTop.ucTop)) { panel1.Controls.Add(UserControlTop.ucTop); UserControlTop.ucTop.BringToFront(); } else { UserControlTop.ucTop.BringToFront(); } } else if (cnt <= 15) { panel1.Controls.Clear(); UserControlEnd.ucEnd = null; if (!panel1.Controls.Contains(UserControlEnd.ucEnd)) { panel1.Controls.Add(UserControlEnd.ucEnd); UserControlEnd.ucEnd.BringToFront(); } else { UserControlEnd.ucEnd.BringToFront(); } } else { MessageBox.Show("endddd"); bl.save(UserPassword, mark); } cnt++; }