private Appointment GetAppointment(string smtpaddress, CalendarEvent calendarEvent)
{
var convertedId = (AlternateId)_service.ConvertId(new AlternateId(IdFormat.HexEntryId, calendarEvent.Details.StoreId, smtpaddress), IdFormat.EwsId);
var appointment = Appointment.Bind(_service, new ItemId(convertedId.UniqueId));
return appointment;
}
******get appointment object using calendarevent store id*******
Appointment appointment = GetAppointment(smtpaddress, calendarEvent);