Add General Label Style

addGeneralLabelStyle

public ObjectId addGeneralLabelStyel(string name)
{
  ObjectId lblId = ObjectId.Null;
  Document acadDoc = Application.DocumentManager.MdiActiveDocument;
  CivilDocument civilDoc = CivilApplication.ActiveDocument;
  using (Transaction trans = acadDoc.Database.TransactionManager.StartOpenCloseTransaction())
  {
    lblId = civilDoc.Styles.LabelStyles.GeneralNoteLabelStyles.Add(name);
    trans.Commit();
  }
  return lblId;
}