private void OpenPort_Click(object sender, RoutedEventArgs e)
{
if ((string)OpenPort.Content != "Open Port")
{
OpenPort.Content = "Open Port";
SerialPort.ClosePort();
AvailableCOM.IsEnabled = true;
}
else
{
OpenPort.Content = "Close Port";
SerialPort.OpenPort(AvailableCOM.SelectedValue.ToString());
AvailableCOM.IsEnabled = false;
}
}