public void Form1_KeyDown(object sender, KeyEventArgs e) { if (e.KeyCode == Keys.Left) { racket.MoveToLeft(); } if (e.KeyCode == Keys.Right) { racket.MoveToRight(); } if (e.KeyCode == Keys.P) { this.timer1.Enabled = false; } if (e.KeyCode == Keys.R) { this.timer1.Enabled = true; } if (e.KeyCode == Keys.L) { this.timer1.Interval = 41; } if (e.KeyCode == Keys.M) { this.timer1.Interval = 21; } if (e.KeyCode == Keys.H) { this.timer1.Interval = 1; } }