/// <summary> /// Add item for creating extended negotiation sub-items. /// </summary> /// <param name="uid">Associated UID.</param> /// <param name="creator">Creator instance.</param> public static void AddSubItemCreator(DicomUID uid, CreateIExtendedNegotiationSubItemDelegate creator) { if (false == subItemCreators.ContainsKey(uid)) { subItemCreators.Add(uid, creator); } }