Developer Guide for C#

How to Start Tutorials Troubleshooting Main Operations Convert PDF Read PDF Edit PDF PDF Report Generator Work with PDF Modules PDF Document PDF Pages Text Image Graph & Path Annotation, Markup & Drawing Redaction Security Digital Signature Forms Watermark Bookmark Link File Attachment File Metadata Printing Work with Other SDKs Barcode read Barcode create OCR Twain

C# PDF Redaction Library
How to redact or remove Adobe PDF file pages using c#, in web browser, windows WinForms, WPF


How to Redact the Whole PDF Pages in Visual C# Class with .NET PDF Component



ON THIS PAGE:



In this tutorial, you learn how to redact or remove PDF pages usings C#.

How to redact pages from existing PDF file using C#

  1. Download XDoc.PDF Redact C# library
  2. Install C# library to redact, remove pages from PDF file
  3. Step by Step Tutorial








  • A best .NET PDF document manipulation SDK control for Visual Studio .NET can help to protect adobe PDF file with redaction functionalities using C#
  • Free online C# source code to darken pages from adobe PDF file in Visual C#. NET program without adobe reader installed
  • Support .NET WinForms, ASP.NET MVC in IIS, ASP.NET Ajax, Azure cloud service, DNN (DotNetNuke), SharePoint
  • Free evaluation library and components for erasing PDF page in all C#.NET WinForms application
  • Able to black out PDF page online in ASP.NET WebForm application
  • Support to adjust color and transparency while scraping text from PDF file in .NET framework
  • Able to redact a range of selected pages in PDF document
  • Support to redact whole PDF pages in Visual Studio .NET


Redaction is the process of permanently removing visible text and graphics from a document. You can call our redact function API to redact entire PDF pages. You can specify custom text to appear over the redaction area.





Redact the whole pdf page using c#


The C# sample code below explains how to redact a page from the PDF document using C#.

  • Create a PDFDocument object from an existing PDF file
  • Select the target PDF page, and get PDFPage object.
  • Set page redaction options through RedactionOptions object
  • Apply page redaction using method Redact() from PDFPage
  • Save the redacted PDF file



String inputFilePath = Program.RootPath + "\\" + "1.pdf";
String outputFilePath = Program.RootPath + "\\" + "output.pdf";

//  open document
PDFDocument doc = new PDFDocument(inputFilePath);
//  get the 1st page
PDFPage page = (PDFPage)doc.GetPage(0);

//  create redaction option
RedactionOptions options = new RedactionOptions();
options.AreaFillColor = Color.Black;

//  redact the whole page
page.Redact(options);
//  output file
doc.Save(outputFilePath);