إضافة تعليقات التسطير إلى PDF عبر .NET SDK

    using Aspose.Pdf.Cloud.Sdk.Model;

    namespace Annotations
    {
        public class NewUnderlineAnnotation
        {
            public static async Task Append(AnnotationsHelper helper, string documentName, int pageNumber, string outputName, string remoteFolder)
            {
                await helper.UploadFile(documentName);

                List<UnderlineAnnotation> annotations = new List<UnderlineAnnotation>
                {
                    new UnderlineAnnotation(
                        Name: "Underline_NEW_Annotation",
                        Rect: new Rectangle(100,350, 450,400),
                        Flags: new List<AnnotationFlags>() { AnnotationFlags.Default },
                        HorizontalAlignment: HorizontalAlignment.Left,
                        VerticalAlignment: VerticalAlignment.Top,
                        RichText: helper.config.NEW_UL_ANNOTATION_TEXT,
                        Subject: helper.config.NEW_UL_ANNOTATION_SUBJECT,
                        Contents: helper.config.NEW_UL_ANNOTATION_CONTENTS,
                        Title: helper.config.NEW_UL_ANNOTATION_DESCRIPTION,
                        ZIndex: 1,
                        Color: new Color(A: 0xFF, R: 0x00, G: 0xFF, B: 0x00),
                        QuadPoints: new List<Point>() {
                            new Point(X: 10, Y: 10),
                            new Point(X: 20, Y: 10),
                            new Point(X: 10, Y: 20),
                            new Point(X: 10, Y: 10)
                        },
                        Modified: "03/27/2025 00:00:00.000 AM"
                    )
                };
                AsposeResponse response = await helper.pdfApi.PostPageUnderlineAnnotationsAsync(documentName, pageNumber, annotations, folder: remoteFolder);

                if (response == null)
                    Console.WriteLine("NewUnderlineAnnotation(): Unexpected error!");
                else if (response.Code < 200 || response.Code > 299)
                    Console.WriteLine("NewUnderlineAnnotation(): Failed to append underline annotation to the document.");
                else
                {
                    Console.WriteLine("NewUnderlineAnnotation(): annotations '{0}' added to the document '{1}.", helper.config.NEW_UL_ANNOTATION_TEXT, documentName);
                    await helper.DownloadFile(documentName, outputName, "add_underline_annotation_");
                }
            }
        }
    }