Programowanie mikrokontrolerów

 private void button11_Click(object sender, EventArgs e)
        {
            int b = 0;
            dataGridView2.Visible = true;
            dataGridView2.AllowUserToAddRows = true;
 
            string registryKey = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall";
            using (Microsoft.Win32.RegistryKey key = Registry.LocalMachine.OpenSubKey(registryKey))
            {
                var query = from a in key.GetSubKeyNames()
                            let r = key.OpenSubKey(a)
                            select new
                                   {
                                       Application = r.GetValue("DisplayName"),
                                       InstallLocation = r.GetValue("InstallLocation")
                                   };
                foreach (var item in query)
                {
                    if (item.Application != null)
                    {
                        dataGridView2.Rows.Add();
                        richTextBox1.AppendText(item.Application + "");
                        richTextBox2.AppendText(item.InstallLocation + "");
                        dataGridView2.Rows[b].Cells[0].Value = item.Application.ToString();
                        if (item.InstallLocation != null)
                        {
                            dataGridView2.Rows[b].Cells[1].Value = item.InstallLocation.ToString();
                        }
                        else { dataGridView2.Rows[b].Cells[1].Value = "Brak"; }
 
                        //Console.WriteLine(item.Application + " - " + item.InstallLocation);
                       
                        b++;
                    }
                }
 
            }
        }