onoff v

using System;
2.  using System.Collections.Generic;
3.  using System.ComponentModel;
4.  using System.Data;
5.  using System.Drawing;
6.  using System.Linq;
7.  using System.Text;
8.  using System.Threading.Tasks;
9.  using System.Windows.Forms;
10. using System.IO.Ports;
11.
12.
13. namespace zapnuti_led
14. {
15.     public partial class Form1 : Form
16.     {
17.         private SerialPort myport;
18.
19.         public Form1()
20.         {
21.             InitializeComponent();
22.             init();
23.         }
24.
25.         private void On_btn_Click(object sender, EventArgs e)
26.         {
27.             myport.WriteLine("ON");
28.
29.             On_btn.Enabled = false;
30.             Off_btn.Enabled = true;
31.             pictureBox1.Image = zapnuti_led.Properties.Resources.zarovka;
32.         }
33.
34.         private void init()
35.         {
36.             try
37.             {
38.                 myport = new SerialPort();
39.                 myport.BaudRate = 9600;
40.                 myport.PortName = "COM3";
41.                 myport.Open();
42.             }
43.             catch (Exception)
44.             {
45.                 MessageBox.Show("Error!!");
46.             }
47.
48.             On_btn.Enabled = true;
49.             Off_btn.Enabled = false;
50.
51.         }
52.
53.         private void Off_btn_Click(object sender, EventArgs e)
54.         {
55.             myport.WriteLine("OFF");
56.
57.             On_btn.Enabled = true;
58.             Off_btn.Enabled = false;
59.             pictureBox1.Image = zapnuti_led.Properties.Resources.zarovka1;
60.         }
61.     }
62. }