How to Remove Pages from Existing WinForms PDF using C# and VB.NET?

The Syncfusion Essential WinForms PDF is a feature-rich and high-performance .NET PDF library used to create, read, and edit PDF documents programmatically without Adobe dependencies. This library also offers functionality to merge, split, stamp, forms, compress, and secure PDF files.

Using this library, you can remove pages from an existing PDF document in C# and VB.NET. This sample uses the following PDF document.

Steps to remove the pages form existing PDF document programmatically in C#:

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

C#

using Syncfusion.Pdf.Parsing;

VB.NET

Imports Syncfusion.Pdf.Parsing

4. Include the following code snippet in main method of Program.cs file, to remove pages from an existing PDF document using the RemoveAt method of PdfLoadedPageCollection.

C#

//Load an existing PDF document into PdfLoadedDocument
PdfLoadedDocument document = new PdfLoadedDocument("SourceTemplate.pdf");
 
//Remove the second page
document.Pages.RemoveAt(1);           
 
//Save the PDF document
document.Save("Sample.pdf");
 
//Close the instance of PdfLoadedDocument
document.Close(true);

VB.NET

'Load an existing PDF document into PdfLoadedDocument
Dim document As PdfLoadedDocument = New PdfLoadedDocument("SourceTemplate.pdf")
 
'Remove the second page
document.Pages.RemoveAt(1)
 
'Save the PDF document
document.Save("Sample.pdf")
 
'Close the instance of PdfLoadedDocument
document.Close(True)

5. You can also remove pages from a PDF document using the Remove method of PdfLoadedPageCollection.

C#

//Remove the second page
document.Pages.Remove(document.Pages[1]);

VB.NET

'Remove the second page
document.Pages.Remove(document.Pages(1))

A complete work sample to remove pages from an existing PDF document can be downloaded from Remove-Pages.zip.

By executing the program, you will get the PDF document as follows.

Take a moment to peruse the documentation, where you will find other options like adding new page in a PDF document, importing pages from existing PDF document, re-arranging and changing page numbers in existing PDF document, rotating PDF page, splitting a PDF document into individual pages.

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

An online sample link for different page settings.