OnJavaScriptResponse - TPdf

Component: TPdf · Unit: PDFium

Okida se kada JavaScript akcija ugrađena u PDF zatraži interakciju sa hostom ili potvrdu upozorenja

Syntax

property OnJavaScriptResponse: TPdfJavaScriptResponseEvent read FOnJavaScriptResponse write FOnJavaScriptResponse;

Description

Occurs when scripts executing within the PDF document trigger dialog responses (such as alert inputs, passwords, or confirmations)

Parameters

Sender	The component that triggered the event
Question	The message prompt text supplied by the script
Title	The title text suggested for the dialog
Default_	The default value provided for input queries
cLabel	A custom label string associated with the action
bPassword	True if the response text should be masked as a password input
Response_	Output parameter to return the host's textual response back to the script engine
Handled	Set this to True to indicate that the event has been handled and suppress default no-op behavior

Remarks

If unassigned, the script engine receives a default neutral response and execution continues without dialog alerts
Do not call complex GUI actions or block threads extensively inside this event handler, as it halts the PDFium JS execution stack

Example

procedure TForm1.Pdf1JavaScriptResponse(Sender: TObject; const Question, Title, Default_, cLabel: WString;
  bPassword: Boolean; out Response_: WString; var Handled: Boolean);
begin
  Response_ := InputBox(Title, Question, Default_);
  Handled := True;
end;

OnJavaScriptResponse property