private void btn_again_Click_1(object sender, RoutedEventArgs e)
{
Coms coms = new Coms();
coms.Update += coms_Update;
initValue();
}
private void btn_import_Click_1(object sender, RoutedEventArgs e)
{
Coms coms = new Coms();
coms.Update += coms_Update;
comPage.startCom(dLine);
}