Add 49 attachment and PDF portfolio examples

[agent-aspose-pdf-examples]

working-with-attachments

49 code example(s) for the working-with-attachments category.
Target: Aspose.PDF for .NET 26.8.0

Examples

#	Example	Difficulty
1	Add File Attachment to PDF	beginner
2	Attach a File from a Byte Array to a PDF	intermediate
3	Add Multiple Attachments to a PDF	beginner
4	Set Custom Description for PDF Attachment Annotations	intermediate
5	List PDF Attachment Names and Sizes	beginner
6	Extract Specific Attachment from PDF	intermediate
7	Extract PDF Attachments to Separate Subfolders	intermediate
8	Remove PDF Attachment by Index	beginner
9	Delete PDF Attachment by Filename using Aspose.Pdf	beginner
10	Extract PDF Attachment Metadata to JSON	intermediate
11	Update PDF Attachment Description	intermediate
12	Add Attachment to Password-Protected PDF	intermediate
13	Extract Attachments from Encrypted PDF	intermediate
14	Validate Attachment Size Before Adding to PDF	intermediate
15	Batch Add Attachment to PDFs	intermediate
16	Batch Extract PDF Attachments to a ZIP Archive	intermediate
17	Create PDF Portfolio with Attachments	beginner
18	Add Word Document to PDF Portfolio	beginner
19	Insert Excel Workbook into PDF Portfolio with Description	beginner
20	Embed Image into PDF Portfolio with Display Name	beginner
21	Add Nested PDF to Existing PDF Portfolio	beginner
22	Add Multiple Files to a PDF Portfolio	intermediate
23	Compress PDF Portfolio and Save with Optimization	beginner
24	Extract Embedded Files from PDF Portfolio	intermediate
25	Extract Embedded File from PDF Portfolio by Index	beginner
26	Remove Embedded File from PDF Portfolio by Index	intermediate
27	Delete PDF Outline Items by Matching Text	beginner
28	Reorder PDF Outline (Bookmark) Items	intermediate
29	Apply Custom Visual Template to PDF Portfolio	intermediate
30	Generate Thumbnails for PDF Pages	intermediate
31	Merge Two PDF Portfolios Preserving Embedded File Metadata	intermediate
32	Create PDF Portfolio by Embedding Files	intermediate
33	Flatten PDF Portfolio to Standard PDF	beginner
34	Read PDF Metadata and Count Attachments	beginner
35	Generate CSV Report of PDF Attachments	intermediate
36	Add In-Memory Attachment to PDF	intermediate
37	Attach Remote File to PDF	intermediate
38	Add File Attachment to PDF with Error Handling	intermediate
39	Validate Attachment MIME Type and Add to PDF	intermediate
40	Measure Performance of Adding, Extracting, and Removing PDF Attachment...	intermediate
41	Embed Attachment Metadata into PDF Information Dictionary	intermediate
42	Add Unicode File Attachment to PDF	intermediate
43	Extract PDF Attachments and Compute SHA-256 Hashes	intermediate
44	Add Image Watermark to PDF Attachments	intermediate
45	Add File Attachment to PDF with Retry Logic	intermediate
46	Extract PDF Attachments in Parallel	intermediate
47	Verify PDF Size Increase After Adding File Attachment	intermediate
48	Test Attachment Removal Updates Collection Count	beginner
49	Embed Hidden XML Metadata as PDF Attachment	intermediate

Key APIs Used

Aspose.Pdf.AI.Attachment, Aspose.Pdf.AI.ThreadMessageResponse, Aspose.Pdf.AI.Tool, Aspose.Pdf.Annotations.Annotation, Aspose.Pdf.Annotations.AnnotationFlags, Aspose.Pdf.Annotations.FileAttachmentAnnotation, Aspose.Pdf.Annotations.FileIcon, Aspose.Pdf.Annotations.FileSpecification, Aspose.Pdf.Collection, Aspose.Pdf.Collection.Add, Aspose.Pdf.Color, Aspose.Pdf.Devices.ThumbnailDevice, Aspose.Pdf.Devices.ThumbnailDevice.Process, Aspose.Pdf.Document, Aspose.Pdf.Document.Convert, Aspose.Pdf.Document.Decrypt, Aspose.Pdf.Document.EmbeddedFiles, Aspose.Pdf.Document.EmbeddedFiles.Add, Aspose.Pdf.Document.Flatten, Aspose.Pdf.Document.OptimizeResources, Aspose.Pdf.Document.Outlines, Aspose.Pdf.Document.Pages, Aspose.Pdf.Document.Pages.Add, Aspose.Pdf.Document.Save, Aspose.Pdf.DocumentInfo, Aspose.Pdf.Drawing.Graph, Aspose.Pdf.Drawing.Rectangle, Aspose.Pdf.EmbeddedFile, Aspose.Pdf.EmbeddedFile.Description, Aspose.Pdf.EmbeddedFile.Name
(+34 more)

Tags

Aspose.Pdf PDF annotation annotations aspnet aspose aspose-pdf aspose-pdf-ai aspose.pdf attachment attachments batch bookmark bookmarks collection compression csharp csv decryption delete

Difficulty Distribution

• beginner: 16 example(s)
• intermediate: 33 example(s)

Pipeline Stages

• LLM Fix: 36
• Baseline (1st try): 12
• Regen with KB: 1

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