public Form1()
{
InitializeComponent();
CheckForIllegalCrossThreadCalls = false; //avoid multiply threads cause error
usb = new USB();
refreshPortnameTimer.Elapsed += new System.Timers.ElapsedEventHandler(RefreshPortname);
refreshPortnameTimer.Start();
}
//initial combobox
private void InitComboBox(ComboBox combo)
{
try
{
string[] ports = USB.GetPorts(); //SerialPort.GetPortNames();//
combo.Items.Clear();
for (int i = 0; i < ports.Length; i++)
{
combo.Items.Add(ports[i]);
}
if (ports.Length > 0)
{
// combo.SelectedIndex = ports.Length - 1;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}