void gameOver() { timer1.Stop(); //Show "Game over" and "Press any key to begin" label7.Show(); label13.Show(); trackBar2.Enabled = true; checkBox1.Enabled = true; trackBar4.Enabled = true; //remove apple apple.picBox.Dispose(); //remove all snake and obstacles snake.clear(); obs.clear(); gameHandler = false; //game is off //hide the grid pictureBox1.Hide(); this.Update(); }