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Property Value
Nullable (boxed) ulong value.This property accesses the Max SubfileSize DataSet (7:20). The DataSet indicates the maximum size for the following Subfile DataSet(s).
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.