THPDFPage.SetPageAdditionalAction Method

Method summary: THPDFPage.SetPageAdditionalAction Method

Declaration

procedure SetPageAdditionalAction(Trigger: THPDFPageActionTrigger; Action: THPDFActionBuilder);

HPDFDoc

Name	Purpose
`Trigger`	Page additional-action trigger, either patOpen or patClose
`Action`	Action chain built with THPDFActionBuilder

The method replaces any existing action for the same page trigger and keeps the other trigger intact
THPDFActionBuilder.ThenAction chains are preserved under the emitted /Next entry
Builder validation enforces PDF/A and PDF/X restrictions for JavaScript, SubmitForm, Launch, and other restricted action types