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PDFDocument Constructor(string)

Summary
Initializes a new PDFDocument from a specified PDF file.
Syntax
C#
C++/CLI
Java
Python
public PDFDocument( 
   string fileName 
) 
public PDFDocument( 
   java.lang.String fileName 
); 
public: 
PDFDocument(  
   String^ fileName 
) 
__init__(self,fileName) # Overloaded constructor 

Parameters

fileName
The name of an existing PDF file.

Remarks

The PDFDocument class encapsulates a PDF document on disk and allows you to read the pages, objects and images from the document.

fileName must contain the name of an existing and valid PDF file on disk. If the PDF file is encrypted, then use the PDFDocument(string fileName, string password) constructor. You can check whether a PDF is encrypted using the PDFFile.IsEncrypted method.

This method will initialize the members of PDFDocument as follows:

Use PDFDocument Constructor(Stream) to create a PDF document from a .NET stream.

Example
C#
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Controls; 
using Leadtools.Pdf; 
using Leadtools.Svg; 
using Leadtools.WinForms; 
 
 
public void PDFDocumentExample() 
{ 
   string pdfFileName = Path.Combine(LEAD_VARS.ImagesDir, @"Leadtools.pdf"); 
 
   // Create a PDF document for file 
   using (PDFDocument document = new PDFDocument(pdfFileName)) 
   { 
 
      // Show the file type and properties 
      Console.WriteLine("File type is : {0}", document.FileType); 
      Console.WriteLine("Contains : {0} pages", document.Pages.Count); 
      Console.WriteLine("----------:"); 
      foreach (PDFDocumentPage page in document.Pages) 
      { 
         Console.WriteLine("Page: {0}, size: {1} by {2} ({3} by {4} inches)", page.PageNumber, page.Width, page.Height, page.WidthInches, page.HeightInches); 
      } 
 
      PDFDocumentProperties props = document.DocumentProperties; 
      Console.WriteLine("Properties:"); 
      Console.WriteLine("----------:"); 
      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); 
   } 
} 
 
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

Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.