Programacion

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Media;

namespace Semaforo_DTMF_01
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

byte cnt = 1;
        SoundPlayer dtmf;
        SolidBrush Brush1, Brush2, Brush3;

private void panel1_Paint(object sender, PaintEventArgs e)
        {
            if (cnt == 1)
            {
                dtmf = new SoundPlayer("DTMF_4.wav");
                dtmf.Play();
            }
            if (cnt == 8)
            {
                dtmf = new SoundPlayer("DTMF_2.wav");
                dtmf.Play();
            }
            if (cnt == 10)
            {
                dtmf = new SoundPlayer("DTMF_1.wav");
                dtmf.Play();
            }
            if (cnt >= 1 && cnt <= 7)
                Brush3 = new SolidBrush(Color.Green);
            else
                Brush3 = new SolidBrush(Color.Gray);
            
            if (cnt >= 8 && cnt <= 9)
                Brush2 = new SolidBrush(Color.Gold);
            else
                Brush2 = new SolidBrush(Color.Gray);
            
            if (cnt >= 10)
                Brush1 = new SolidBrush(Color.Red);
            else
                Brush1 = new SolidBrush(Color.Gray);
            
            Graphics miGraphics = e.Graphics;
            miGraphics.FillEllipse(Brush1 , 20, 20, 60, 60);
            miGraphics.FillEllipse(Brush2, 20, 100, 60, 60);
            miGraphics.FillEllipse(Brush3, 20, 180, 60, 60);
        }

private void timer1_Tick(object sender, EventArgs e)
        {
            cnt++;
            panel1.Invalidate();
            if(cnt >= 14)
                cnt = 1;
        }
    }
}

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