Programacion

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

namespace Dado_electronico_UART_01
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

SolidBrush brocha1;
        Graphics puntos;
        byte[] buffer = { 1 };
        byte cnt = 1;
        byte num = 0;

private void Form1_Load(object sender, EventArgs e)
        {
            serialPort1.Open();
            serialPort1.Write(buffer, 0, 1);
        }

private void button1_MouseDown(object sender, MouseEventArgs e)
        {
            timer1.Enabled = true;
            button1.Text = "Suelte para detener";
        }

private void panel1_Paint(object sender, PaintEventArgs e)
        {
            brocha1 = new SolidBrush(Color.Black);
            puntos = e.Graphics;
            if ((cnt == 1) || (cnt == 3) || (cnt == 5))
            {
                puntos.FillEllipse(brocha1, 80, 80, 40, 40); // 1, 3, 5
                num += 1;
            }
            if ((cnt == 2) || (cnt == 3) || (cnt == 4) || (cnt == 5) || (cnt == 6))
            {
                puntos.FillEllipse(brocha1, 140, 20, 40, 40); // 2, 3, 4, 5, 6
                puntos.FillEllipse(brocha1, 20, 140, 40, 40); // 2, 3, 4, 5, 6
                num += 2;
            }
            if ((cnt == 4) || (cnt == 5) || (cnt == 6))
            {
                puntos.FillEllipse(brocha1, 20, 20, 40, 40); // 4, 5, 6
                puntos.FillEllipse(brocha1, 140, 140, 40, 40); // 4, 5, 6
                num += 4;
            }
            if (cnt == 6)
            {
                puntos.FillEllipse(brocha1, 20, 80, 40, 40); // 6
                puntos.FillEllipse(brocha1, 140, 80, 40, 40); // 6
                num += 8;
            }
            buffer[0] = num;
            serialPort1.Write(buffer, 0, 1);
            num = 0;
        }

private void button1_MouseUp(object sender, MouseEventArgs e)
        {
            timer1.Enabled = false;
            button1.Text = "Mantenga presionado para lanzar";
        }

private void timer1_Tick(object sender, EventArgs e)
        {
            panel1.Invalidate();
            if (cnt >= 6)
                cnt = 1;
            else
                cnt++;
        }

private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            buffer[0] = 0;
            serialPort1.Write(buffer, 0, 1);
            serialPort1.Close();
        }
    }
}

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