[Raku PDF Project] / [PDF-Class Module]
Table 196 – Entries in a form field’s additional-actions dictionary
(Optional; PDF 1.3) A JavaScript action that is performed when the user modifies a character in a text field or combo box or modifies the selection in a scrollable list box. This action may check the added text for validity and reject or modify it.
(Optional; PDF 1.3) A JavaScript action that is performed before the field is formatted to display its value. This action may modify the field’s value before formatting.
(Optional; PDF 1.3) A JavaScript action that is performed when the field’s value is changed. This action may check the new value for validity.
(Optional; PDF 1.3) A JavaScript action that is performed to recalculate the value of this field when that of another field changes. (The name C stands for “calculate.”) The order in which the document’s fields are recalculated is defined by the CO entry in the interactive form dictionary