//initial serial port
private void Init()
{
try
{
List <string> list = new List <string>();
string[] ports = USB.GetPorts(); //SerialPort.GetPortNames();//
PortcomboBox.Items.Clear();
for (int i = 0; i < ports.Length; i++)
{
PortcomboBox.Items.Add(ports[i]);
}
if (ports.Length > 0)
{
PortcomboBox.SelectedIndex = ports.Length - 1;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public Form1()
{
InitializeComponent();
usb = new USB();
Init();
}