/// <summary>
/// 在构造函数（绑定串口数组到ComboBox控件）
/// </summary>
public CarCard()
{
InitializeComponent();
try
{
string[] portnames = System.IO.Ports.SerialPort.GetPortNames();//获取本地计算机可连接的串口数组
if (portnames is Nullable || portnames.Length < 1)
{
portnames = new string[10] { "COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9", "COM10" };
}
comboSerialNO.DataSource = portnames;
_icCard = new RegistIcCard();
}
catch (Exception eex3)
{
}
}
private void CarCard_FormClosing(object sender, FormClosingEventArgs e)
{
try
{
_icCard.Close();
_icCard = null;
}
catch (Exception ex1)
{
}
}