The field flags, the bits of a field's inheritable Ff entry.
[Flags]
public enum PdfFieldFlags
ISO 32000-2 §12.7.4.1, Tables 226 and 227 (all fields), §12.7.5.2 Table 229 (buttons), §12.7.5.3 Table 231 (text fields) and
§12.7.5.4 Table 233 (choice fields). Bit n of the entry is 1 << (n − 1). The type-specific bits mean something only
for their field type; bit 26 is RichText for a text field and RadiosInUnison for a button. Bits no
table defines shall be 0 and are kept as stored (Flags).
kind:method, kind:property, kind:ctor. Press Esc to clear.CombBit 25 (Table 231, text, PDF 1.5): the field is divided into MaxLen equally spaced positions.ComboBit 18 (Table 233, choice): the field is a combo box, else a list box.CommitOnSelChangeBit 27 (Table 233, choice, PDF 1.5): a new selection is committed as soon as it is made.DoNotScrollBit 24 (Table 231, text, PDF 1.4): the field does not scroll to accommodate more text than fits.DoNotSpellCheckBit 23 (Tables 231 and 233, PDF 1.4): the text entered shall not be spell-checked.EditBit 19 (Table 233, combo boxes): the combo box includes an editable text box.FileSelectBit 21 (Table 231, text, PDF 1.4): the text is the path name of a file whose contents are submitted.MultilineBit 13 (Table 231, text): the text may span several lines.MultiSelectBit 22 (Table 233, choice, PDF 1.4): more than one option may be selected.NoExportBit 3 (Table 227): the field shall not be exported by a submit-form action.NoneNo flag set (the default).NoToggleToOffBit 15 (Table 229, radio buttons): exactly one radio button shall be selected at all times.PasswordBit 14 (Table 231, text): the text is a password, not echoed and not stored.PushbuttonBit 17 (Table 229, buttons): the field is a push button that retains no permanent value.RadioBit 16 (Table 229, buttons): the field is a set of radio buttons.RadiosInUnisonBit 26 (Table 229, radio buttons, PDF 1.5): radio buttons with the same on state turn on and off in unison; the same bit as RichText.ReadOnlyBit 1 (Table 227): the user may not change the field's value.RequiredBit 2 (Table 227): the field shall have a value when exported by a submit-form action.RichTextBit 26 (Table 231, text, PDF 1.5): the value is rich text.SortBit 20 (Table 233, choice): the options shall be sorted alphabetically (for authoring tools only).