Add 50 attachment and portfolio code examples

[agent-aspose-pdf-examples]

working-with-attachments

50 code example(s) for the working-with-attachments category.
Target: Aspose.PDF for .NET 26.4.0

Examples

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

Key APIs Used

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.Document, Aspose.Pdf.Document.EmbeddedFiles, Aspose.Pdf.Document.EmbeddedFiles.Add, Aspose.Pdf.Document.Flatten, Aspose.Pdf.Document.MergeDocuments, Aspose.Pdf.Document.OptimizeResources, Aspose.Pdf.Document.Pages.Add, Aspose.Pdf.Document.Save, Aspose.Pdf.DocumentInfo, Aspose.Pdf.DocumentInfo.Add, Aspose.Pdf.DocumentInfo.CreationDate, Aspose.Pdf.Drawing.Graph, Aspose.Pdf.Drawing.GraphInfo, Aspose.Pdf.Drawing.Rectangle, Aspose.Pdf.EmbeddedFile, Aspose.Pdf.EmbeddedFile.GetFileStream, Aspose.Pdf.EmbeddedFile.Save, Aspose.Pdf.EmbeddedFile.Save(string), Aspose.Pdf.EmbeddedFileCollection, Aspose.Pdf.EmbeddedFileCollection.Delete, Aspose.Pdf.EmbeddedFileCollection.FindByName
(+31 more)

Tags

Aspose.Pdf annotation annotations aspdf aspnet aspose aspose-pdf aspose.pdf attachment attachments batch bookmark bookmarks c# collection compression csharp csv custom-template delete

Difficulty Distribution

• beginner: 20 example(s)
• intermediate: 30 example(s)

Pipeline Stages

• LLM Fix: 30
• Baseline (1st try): 14
• Regen with KB: 6

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