THPDFPage.ClearAnnotationAdditionalAction Method

/AAملخص الطريقة: THPDFPage.ClearAnnotationAdditionalAction Method

التصريح

procedure ClearAnnotationAdditionalAction(Annot: THPDFDictionaryObject; Trigger: THPDFAnnotationActionTrigger);

HPDFDoc

الاسم	الغرض
`Annot`	`LastAnnotation`Annotation dictionary returned by an annotation creation call or held in LastAnnotation
`Trigger`	Annotation additional-action trigger to remove

The method removes only the selected trigger entry and keeps other annotation actions unchanged
/AAIf the annotation /AA dictionary becomes empty, the dictionary entry is removed from the annotation
SetAnnotationAdditionalAction to install a replacement THPDFActionBuilderUse SetAnnotationAdditionalAction to install a replacement THPDFActionBuilder chain for the same trigger
THotPDFUse THotPDF form-field action convenience helpers when the target annotation is an AcroForm widget selected by field name