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How to read PDF file in C#, VB.NET

Platform: WinForms |
Control: PDF |
Published Date: August 14, 2018 |
Last Revised Date: May 3, 2019

PDF (Portable Document Format) is a file format used to display the document with same formatting, independent of application software, hardware, and operating system. Syncfusion Essential PDF is a .NET PDF library used to create, read, and edit PDF documents. Using this library, you can read an existing PDF file and save it in C# and VB.NET.

Steps to read a PDF file programmatically:

  1. Create a new C# console application project. Create Console application project in Visual Studio
  2. Install the Syncfusion.Pdf.WinForms NuGet package as a reference to your  .NET Framework applications from NuGet.org. install nuget packages
  3. Include following namespaces in Program.cs file.

C#

using Syncfusion.Pdf.Parsing;
using System;

 

VB.NET

Imports Syncfusion.Pdf.Parsing
Imports System

 

  1. Use the following code snippet to read an existing PDF file.

C#

//Load the document
PdfLoadedDocument document = new PdfLoadedDocument("Sample.pdf");
 
//Access the document information
//Author
string Author = document.DocumentInformation.Author;
//Creation date
DateTime CreatedOn = document.DocumentInformation.CreationDate;
//Creator
string Creator = document.DocumentInformation.Creator;
//Keywords
string Keyword = document.DocumentInformation.Keywords;
//Subject or description
string Subject = document.DocumentInformation.Subject;
//Title
string Title = document.DocumentInformation.Title;
 
//Close the document
document.Close(true);

 

VB.NET

'Load the document
Dim document As PdfLoadedDocument = New PdfLoadedDocument("Sample.pdf")
 
'Access the document information
'Author
Dim Author As String = document.DocumentInformation.Author
'Creation Date
Dim CreatedOn As DateTime = document.DocumentInformation.CreationDate
'Creator
Dim Creator As String = document.DocumentInformation.Creator
'Keywords
Dim Keyword As String = document.DocumentInformation.Keywords
'Subject or description
Dim Subject As String = document.DocumentInformation.Subject
'Title
Dim Title As String = document.DocumentInformation.Title
 
'Close the document
document.Close(True)

 

A complete working sample along with the input file used can be downloaded from Read-PDF-file.zip

Take a moment to peruse the documentation, where you can find other options like drawing right-to-left text and multi-column text, consuming TrueType fonts, Standards fonts, CJK fonts. Also, the features like PDF form filling, extract text or images from PDF, protect PDF documents with code examples.

Refer here to explore the rich set of Syncfusion Essential PDF features.

Note:

Starting with v16.2.0.x, if you reference Syncfusion assemblies from trial setup or from the NuGet feed, include a license key in your projects. Refer to link to learn about generating and registering Syncfusion license key in your application to use the components without trail message.

 

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