Add 157 annotation examples to working-with-annotations docs

[agent-aspose-pdf-examples]

working-with-annotations

157 code example(s) for the working-with-annotations category.
Target: Aspose.PDF for .NET 26.5.0

Examples

#	Example	Difficulty
1	Add Text Annotation to Page 3 of PDF	beginner
2	Add Popup Annotation Linked to Highlight	intermediate
3	Add Free‑Text Annotation with Arial Font to PDF	beginner
4	Add Callout Leader Line to Free‑Text Annotation	intermediate
5	Hide Free‑Text Annotation on Specific PDF Page	intermediate
6	Add Yellow Highlight Annotation with Opacity	beginner
7	Add Underline Annotation with 50% Opacity to PDF Page	beginner
8	Add StrikeOut Annotation with Author to PDF	beginner
9	Delete Specific Annotation from PDF Page	intermediate
10	Remove All Annotations from a Specific PDF Page	beginner
11	Retrieve Annotations from Page Four and List Their Types	beginner
12	Update Annotation Rectangle by Id	intermediate
13	Import XFDF Annotations into a PDF	beginner
14	Export PDF Annotations to XFDF	beginner
15	Import Annotations from FDF into PDF	beginner
16	Batch Add Text Annotations to PDF Pages	intermediate
17	Highlight Keyword Across PDF Pages	intermediate
18	Add Figure Annotations with Custom Line Width and Color	intermediate
19	Batch Export PDF Annotations to XFDF Files	beginner
20	Import XFDF Annotations into Multiple PDFs in Parallel	intermediate
21	Export PDF Annotations with Appearance Streams to XFDF	beginner
22	Validate XFDF Annotation Counts per PDF Page	intermediate
23	Export and Import PDF Annotations via XFDF	intermediate
24	List PDF Annotations and Export to CSV	intermediate
25	Filter PDF Annotations by Author and Remove Others	intermediate
26	Add StrikeOut Annotation with Reviewer Author	beginner
27	Generate Annotation Summary per PDF Page	intermediate
28	Add Polyline Figure Annotation to PDF	beginner
29	Add Arrow Line Annotation to PDF	beginner
30	Import Annotations from FDF into PDF	beginner
31	Recolor Highlight Annotations to Light Green	beginner
32	Retrieve Annotation Bounding Rectangle	intermediate
33	Add Highlight Annotation with 70% Opacity to PDF	beginner
34	Add Popup Annotation Linked to a Sticky Note	intermediate
35	Import XFDF Annotations and Reassign to Different PDF Pages	intermediate
36	Delete Popup Annotations from PDF	beginner
37	Group PDF Annotations by Type and Report Counts	intermediate
38	Add Figure Annotation Referencing External Image	intermediate
39	Export and Import PDF Annotations via XFDF	intermediate
40	Batch Add Text Annotation to First Page of PDFs	intermediate
41	Modify Square Annotation Color in PDF	intermediate
42	Delete PDF Annotations Using IDs from a CSV File	intermediate
43	Set Line Thickness of Figure Annotation	beginner
44	Extract Popup Annotation Text to a New PDF	intermediate
45	Add Free‑Text Annotation with Callout to PDF	intermediate
46	Export PDF Annotations to XFDF and Upload to Cloud Storage	intermediate
47	Remove Highlight Annotations from PDF	beginner
48	Export Popup Annotations to XFDF	intermediate
49	Import Annotations from FDF into PDF	beginner
50	Add Transparent Free‑Text Annotation to PDF	intermediate
...	107 more examples

Key APIs Used

Aspose.Pdf.Actions.JavascriptAction, Aspose.Pdf.Annotation, Aspose.Pdf.Annotation.PageIndex, Aspose.Pdf.AnnotationCollection, Aspose.Pdf.Annotations.Annotation, Aspose.Pdf.Annotations.Annotation.AnnotationType, Aspose.Pdf.Annotations.Annotation.ChangeAfterResize, Aspose.Pdf.Annotations.Annotation.Characteristics, Aspose.Pdf.Annotations.Annotation.GetRectangle, Aspose.Pdf.Annotations.AnnotationCollection, Aspose.Pdf.Annotations.AnnotationCollection.Add, Aspose.Pdf.Annotations.AnnotationCollection.Clear, Aspose.Pdf.Annotations.AnnotationCollection.Delete, Aspose.Pdf.Annotations.AnnotationFlags, Aspose.Pdf.Annotations.AnnotationType, Aspose.Pdf.Annotations.AppearanceDictionary, Aspose.Pdf.Annotations.Border, Aspose.Pdf.Annotations.BorderStyle, Aspose.Pdf.Annotations.ButtonAnnotation, Aspose.Pdf.Annotations.ButtonField, Aspose.Pdf.Annotations.ButtonWidgetAnnotation, Aspose.Pdf.Annotations.CommonFigureAnnotation, Aspose.Pdf.Annotations.DefaultAppearance, Aspose.Pdf.Annotations.FdfReader.ReadAnnotations, Aspose.Pdf.Annotations.FileAttachmentAnnotation, Aspose.Pdf.Annotations.FileHyperlink, Aspose.Pdf.Annotations.FileIcon, Aspose.Pdf.Annotations.FreeTextAnnotation, Aspose.Pdf.Annotations.FreeTextIntent, Aspose.Pdf.Annotations.GoToAction
(+107 more)

Tags

3d Arial Aspose Aspose.Pdf C# FDF PDF animated-gif annotation annotations appearance appearance-streams arrow artifact aspdf aspect-ratio aspnet aspose aspose-pdf aspose.pdf

Difficulty Distribution

• advanced: 1 example(s)
• beginner: 56 example(s)
• intermediate: 98 example(s)

Pipeline Stages

• Baseline (1st try): 104
• LLM Fix: 26
• Regen with KB: 22
• Pattern Fix: 4
• Final LLM Recovery: 1

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