private void changeCountry(object sender, EventArgs e)
{
ComboBox[] cba =
{
CB_Country0, CB_Country1, CB_Country2, CB_Country3, CB_Country4
};
ComboBox[] mta =
{
CB_Region0, CB_Region1, CB_Region2, CB_Region3, CB_Region4,
};
int index = Array.IndexOf(cba, sender as ComboBox);
if (Util.getIndex(sender as ComboBox) > 0)
m_parent.setCountrySubRegion(mta[index], "sr_" + Util.getIndex(sender as ComboBox).ToString("000"));
}