Using System; Abdualimov Akbar using System. Collections. Generic

using System; Abdualimov Akbar
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace _27fevral {

public partial class Form1 : Form {
public Form1() {
InitializeComponent();
}

private void traffic_light(int rang)

{
Graphics g = this.CreateGraphics();
g.Clear(Color.White);
SolidBrush kok = new SolidBrush(Color.LightBlue);
SolidBrush qizil = new SolidBrush(Color.Red);
SolidBrush sariq = new SolidBrush(Color.Yellow);
SolidBrush yashil = new SolidBrush(Color.Green);
SolidBrush oq = new SolidBrush(Color.White);
Pen qora = new Pen(Color.Black, 4);
g.FillPolygon(kok, new Point[] {
new Point(350,155),new Point(500,155),new Point(500,480),new Point(350,480)

});
g.DrawPolygon(qora, new Point[] {

new Point(350,155),new Point(500,155),new Point(500,480),new Point(350,480)
});
Rectangle rec = new Rectangle(381, 173, 90, 90);
g.DrawEllipse(qora, rec);
Rectangle rec1 = new Rectangle(381, 270, 90, 90);
g.DrawEllipse(qora, rec1);
Rectangle rec2 = new Rectangle(381, 374, 90, 90);
g.DrawEllipse(qora, rec2);
//rang =1 qizil =2sariq =3yashil
if(rang==1)
{
g.FillEllipse(qizil, rec);
g.FillEllipse(oq, rec1);
g.FillEllipse(oq, rec2);
}
else if(rang==2)
{
g.FillEllipse(oq, rec);
g.FillEllipse(sariq, rec1);
g.FillEllipse(oq, rec2);
}
else if(rang==3)
{
g.FillEllipse(oq, rec);
g.FillEllipse(oq, rec1);
g.FillEllipse(yashil, rec2);
}
}

int i = 0;

private void button2_Click(object sender, EventArgs e)
{
timer1.Start();
}
private void timer1_Tick(object sender, EventArgs e)
{
i++;

if(i==20)

{
traffic_light(1);
}
if(i==40)
{
traffic_light(2);
}
if(i==60)
{
traffic_light(3);
i = 0;
}
}

private void button1_Click(object sender, EventArgs e)

{
timer1.Stop();
i = 0;
}
}
}