GetSubject

获取批注主题。

继承自 ApiBaseAnnotation.GetSubject。

示例

读取 PDF 中注释的主题行。

// What is the subject text assigned to an annotation in a PDF?

// Extract the subject property from an annotation object in a PDF.

let doc = Api.GetDocument();
let squareAnnot = Api.CreateSquareAnnot([10, 10, 160, 32]);
squareAnnot.SetSubject("Annot subject");
let page = doc.GetPage(0);
page.AddObject(squareAnnot);
console.log(`Annotation subject is: ${squareAnnot.GetSubject()}`);