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PDFAnnotation Class

Summary
Contains information for a single PDF annotation.
Syntax
C#
C++/CLI
Java
Python
[SerializableAttribute()] 
public abstract class PDFAnnotation 
public abstract class PDFAnnotation 
[SerializableAttribute()] 
public ref class PDFAnnotation abstract  
class PDFAnnotation: 
Remarks

The PDFAnnotation class contains the properties of an annotation object such as the annotation type, title and object bounds.

PDFAnnotation is used as follows:

  • As the type for the PDFAnnotation.AnnotationType property. This property will be populated when an annotation object is created.

  • As the type for the PDFAnnotation.Content property. This property contains a string content for a PDF annotation object.

Example
C#
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Pdf; 
using Leadtools.WinForms; 
using Leadtools.Drawing; 
 
 
public void PDFHighlightAnnotationExample() 
{ 
   string pdfSrcFileName = Path.Combine(LEAD_VARS.ImagesDir, @"Leadtools.pdf"); 
   string pdfDestFileName = Path.Combine(LEAD_VARS.ImagesDir, @"LEAD_Annotations.pdf"); 
 
   PDFFile pdfFile = new PDFFile(pdfSrcFileName); 
   List<PDFAnnotation> Annotations = new List<PDFAnnotation>(); 
   PDFHighlightAnnotation highlight = new PDFHighlightAnnotation(); 
 
   // Add highlight points 
   highlight.Points.Add(new PDFPoint(100, 100)); 
   highlight.Points.Add(new PDFPoint(100, 200)); 
   highlight.Points.Add(new PDFPoint(200, 200)); 
   highlight.Points.Add(new PDFPoint(200, 100)); 
 
   highlight.Color = RasterColor.FromKnownColor(RasterKnownColor.YellowGreen); 
   Annotations.Add(highlight); 
 
   pdfFile.WriteAnnotations(Annotations, pdfDestFileName); 
} 
 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
} 
Requirements

Target Platforms

Help Version 22.0.2023.7.10
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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.Pdf Assembly

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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.