// on document starting show tag input form to the user and initialize document tags
private void _printDoc_DocumentStarting(object sender, EventArgs e)
{
DateTime start = _schedule.VisibleDates[0].Date;
DateTime end = _schedule.VisibleDates[_schedule.VisibleDates.Count - 1].Date;
CalendarInfo calendarInfo = _schedule.CalendarHelper.Info;
// Show tag input form to end-user.
// This is a default form shown by the C1PrintDocument control.
// You can create your own form for this purpose, show it, and set C1PrintDocumentTags
// according to the user's input.
PrintDocument.EditTags();
CurrentStyle.SetupTags(PrintDocument, _schedule.DataStorage.AppointmentStorage.Appointments,
_currentAppointments, start, end, HidePrivateAppointments, calendarInfo);
}