/// <summary> /// Creates the CtAcquisitionTypeSequence in the underlying collection. Type 1. /// </summary> public CtAcquisitionTypeSequenceItem CreateCtAcquisitionTypeSequence() { var dicomAttribute = DicomAttributeProvider[DicomTags.CtAcquisitionTypeSequence]; if (dicomAttribute.IsNull || dicomAttribute.IsEmpty) { var dicomSequenceItem = new DicomSequenceItem(); dicomAttribute.Values = new[] {dicomSequenceItem}; var sequenceType = new CtAcquisitionTypeSequenceItem(dicomSequenceItem); return sequenceType; } return new CtAcquisitionTypeSequenceItem(((DicomSequenceItem[]) dicomAttribute.Values)[0]); }