public int AddDuration(JwDuration e) { return SetOrdinal(_ordinal + e.GetTotalMilliseconds()); }
public void SubtractDuration(JwDuration d) { int i = _time.SubtractMilliseconds(d.GetTotalMilliseconds()); _date.SubtractDays(i); }
public int SubtractDuration(JwDuration e) { return SetOrdinal(_ordinal - e.GetTotalMilliseconds()); }
public void AddDuration(JwDuration d) { _date.AddDays(_time.AddMilliseconds(d.GetTotalMilliseconds())); }