Programalama > C#

private void Form1_Load(object sender, EventArgs e)
        {
            this.Text = "Trafik Işıkları";
            label1.BackColor = Color.Red;
            timer1.Enabled = true;
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            label1.BackColor = Color.Gray;
            label2.BackColor = Color.Yellow;
            timer1.Enabled = false;
            timer2.Enabled = true;
        }

        private void timer2_Tick(object sender, EventArgs e)
        {
            label2.BackColor = Color.Gray;
            label3.BackColor = Color.Green;
            timer2.Enabled = false;
            timer3.Enabled = true;
        }

        private void timer3_Tick(object sender, EventArgs e)
        {
            label1.BackColor = Color.Red;
            timer3.Enabled = false;
            label3.BackColor = Color.Gray;
            timer1.Enabled = true;
        }
    }
}