Represents a field in a document.
The PDF specification makes a distinction between a field (in
terms of a named value) and the visible appearance of the field on
So not every field has a visible appearance. Those that do can
be located using the Page and
Rect properties. The value of
the field can be modified using the Value property.
Fields exist within a hierarchy. Fields have children and their
children can have children in turn. You can drill down through the
hierarchy using the Kids
Alternatively - given a fully qualified name - you can use the
XForm level methods
to obtain references directly.
Note that the Field object is an abstraction of the underlying
objects defined in the document. As such the Object ID may refer to
an Annotation Widget or it may refer to a Field or it may refer to
a hybrid Widget Field as defined in the PDF specification.