This property gets or sets a JavaScript action to be performed before a field is formatted to display its current value. It allows the field's value to be modified before formatting.
LONG PDFANNOTATION_OnBeforeFormatting { get; set; } |
The index of the action can be retrieved from any action creating function such asĀ CreateJavaScriptAction.
Equivalent in new interface: IPDFDocument4::OnControlBeforeFormatting.