THPDFHeadlessFormField

This value record in HPDFHeadlessDocument describes one terminal AcroForm field returned by THPDFHeadlessDocument.GetFormField

MemberMeaning
NameFully qualified Unicode field name with parent names joined by periods
FieldTypeInherited PDF field-type name such as Tx, Btn, Ch, or Sig
ValueCurrent text or name value decoded from PDFDocEncoding or a supported Unicode BOM
FlagsInherited Ff bitmask; bit zero marks a read-only field
MaxLengthInherited MaxLen value, or zero when no maximum is specified

The record is an independent snapshot; changing it does not alter the PDF, and text-field mutations use SetTextFieldValue