PdfAnnotationCaption class represents the caption text and properties of annotations.
// Load an existing PDF document
let document: PdfDocument = new PdfDocument(data, password);
// Get the first page
let page: PdfPage = document.getPage(0) as PdfPage;
// Get the first annotation of the page
let annotation: PdfLineAnnotation = page.annotations.at(0) as PdfLineAnnotation;
// Create and set annotation caption values
annotation.caption = new PdfAnnotationCaption(true, PdfLineCaptionType.inline, [10, 10]);
// Destroy the document
document.destroy();booleanGets the boolean flag indicating whether annotation has caption or not.
ArrayGets the offset position of the annotation.
PdfLineCaptionTypeGets the caption type of the annotation.