private static void GetParentAndSpawnSchedule(ref Schedule schedule, out Schedule parentSchedule)
{
parentSchedule = schedule.ReferencedSchedule();
if (parentSchedule == null)
{
parentSchedule = schedule;
Schedule spawn = Schedule.RetrieveSpawnedSchedule(parentSchedule.IdSchedule, parentSchedule.StartTime);
if (spawn != null)
{
schedule = spawn;
}
}
}