Keywords Property

Summary

Keywords of the PDF document. This is optional.

Syntax

C++/CLI

Java

Python

public string Keywords { get; set; }

public String getKeywords(); 
public void setKeywords( 
   java.lang.String string 
);

public: 
property String^ Keywords { 
   String^ get(); 
   void set (    String^ ); 
}

Keywords # get and set (PDFDocumentProperties)

Property Value

A System.String that contain the keywords of the PDF document. The default value is null.

Remarks

LEADTOOLS will load or store the value of Keywords as is in the PDF file. No special separators are defined by the PDF standard. You can use your own separators if required, such as a semi colon or a comma.

PDF property item strings must be 126 characters or less. This is defined by the PDFDocument.MaximumStringLength constant. LEADTOOLS will automatically truncate the string if required.

Example

using Leadtools.WinForms; 
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Controls; 
using Leadtools.Drawing; 
using Leadtools.ImageProcessing; 
using Leadtools.Pdf; 
using Leadtools.Svg; 
 
 
public void PDFFileExample() 
{ 
   string sourceFileName = Path.Combine(LEAD_VARS.ImagesDir, @"Leadtools.pdf"); 
   string destFileName = Path.Combine(LEAD_VARS.ImagesDir, @"LEAD_14.pdf"); 
 
   // Load the properties of the file 
   ShowProperties("Source file", sourceFileName); 
 
   // Update the properties of the file 
   PDFFile file = new PDFFile(sourceFileName); 
   file.DocumentProperties = new PDFDocumentProperties(); 
   file.DocumentProperties.Author = "Me"; 
   file.DocumentProperties.Title = "My title"; 
   file.DocumentProperties.Subject = "My subject"; 
   file.DocumentProperties.Creator = "My application"; 
   file.DocumentProperties.Modified = DateTime.Now; 
   file.SetDocumentProperties(destFileName); 
 
   // Show the properties of the new file 
   ShowProperties("Destination file", destFileName); 
} 
 
private static void ShowProperties(string message, string fileName) 
{ 
   Console.WriteLine(message); 
 
   // Get the properties of the file 
   PDFFile file = new PDFFile(fileName); 
   file.Load(); 
 
   PDFDocumentProperties props = file.DocumentProperties; 
 
   Console.WriteLine("  Title: {0}", props.Title); 
   Console.WriteLine("  Author: {0}", props.Author); 
   Console.WriteLine("  Subject: {0}", props.Subject); 
   Console.WriteLine("  Keywords: {0}", props.Keywords); 
   Console.WriteLine("  Creator: {0}", props.Creator); 
   Console.WriteLine("  Producer: {0}", props.Producer); 
   Console.WriteLine("  Created: {0}", props.Created); 
   Console.WriteLine("  Modified: {0}", props.Modified); 
   Console.WriteLine("----------:"); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
}

Requirements

Target Platforms

Reference

PDFDocumentProperties Class

PDFDocumentProperties Members

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Help Version 22.0.2023.7.10

Leadtools.Pdf Assembly

Introduction

Getting Started

Namespaces

Leadtools.Pdf Namespace

Assemblies