Available in LEADTOOLS Medical Imaging toolkits.
Data Sets: Inserting and Deleting Data Set Members
L_DicomGetNextUnusedPrivateTag
Inserting Data Set Members:
L_DicomCopyDS
L_DicomCopyDSExt
L_DicomInsertElement
L_DicomInsertModule
Deleting Data Set Members:
L_DicomDeleteElement
L_DicomDeleteModule
L_DicomResetDS
L_DicomExistsElement