TXFAResolveWidgetIdentity
Unit: HPDFXFARuntime
TXFAResolveWidgetIdentity = function(Document: TXFADocument; FieldNode,
DataNode, ValueNode: TXFANode): AnsiString of object;
Optional stable widget identity resolver; when present, interaction retention matches on identities rather than allocator-reused node pointers
See Dynamic XFA Instance Presentation for binding and selector rules, supported event syntax, budget defaults, transactional publication, persistence, painting and compatibility boundaries