private void scanning(object sender, DoWorkEventArgs e)
{
for (int opakuj = 0; opakuj < 10; opakuj++)
{
for (int poc_com = 0; poc_com < 20; poc_com++)
{
if (Isobot_com.IsOpen == true)
{
Isobot_com.Close();
}
Isobot_com.PortName = "COM" + poc_com.ToString();
try
{
Isobot_com.Open();
System.Threading.Thread.Sleep(200);
Isobot_com.Write("A");
Isobot_com.ReadTimeout = 500;
if (Isobot_com.ReadByte() == 5)
{
MessageBox.Show("Connection established");
poc_com = 21;
opakuj = 11;
}
}
catch { }
}
}
if (Isobot_com.IsOpen == false)
{
MessageBox.Show("Connection has not been established");
}
}
