public void ShowSelectedItem()
{
numberTextBox.Text = ToNumber(SelectedUnit).ToString();
messageLabel.Text = string.Format(Resources.SelectUnitsFormSelectedUnits, SelectedUnit.GetOffOnName(CustomUnits));
if (SelectedUnit.IsAnalog())
{
analogUnitsListBox.SelectedIndex = ToNumber(SelectedUnit) - 1;
digitalUnitsListBox.SelectedIndex = -1;
}
else
{
digitalUnitsListBox.SelectedIndex = SelectedUnit - Unit.DigitalUnused;
analogUnitsListBox.SelectedIndex = -1;
}
}