TXFAResolveInstanceScope
Unit: HPDFXFALayout
TXFAResolveInstanceScope = function(Document: TXFADocument; Node,
ParentData: TXFANode): TXFANode of object;
Optional resolver returning the datasets parent group used to gather repeated occurrences; nil preserves implicit same-name binding
See Dynamic XFA Instance Presentation for binding and selector rules, supported event syntax, budget defaults, transactional publication, persistence, painting and compatibility boundaries