IPXC_AcroForm::Root Property
From PDF XChange PDF SDK
Returns fake root field that contains as children all top level fields of the form. Root field is designed to unify structure of form fields as a tree with one root.
The root field has no value, has no PDF object associated with it, etc.
Syntax
HRESULT get_Root([out, retval] IPXC_FormField** ppRoot);
See Also
See also IPXC_AcroForm, IPXC_FormField.