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Property Value
Nullable (boxed) ushort value.This property accesses the ARM Identifier IPTC DataSet (1:120). The DataSet identifies the Abstract Relationship method (ARM), which is described in a document registered by the originator of the ARM with the IPTC and NAA.
Get accessor returns the tag value if the tag is present in the metadata tree, or null otherwise.
Set accessor replaces the current tag value if the tag is present in the metadata tree, adds the tag if it was not present, or deletes the tag if a null value is passed.
See the IPTC - NAA Information Interchange Model ver. 4.1 specification for tag usage details.