How to Change the WinForms PDF Version using C# and VB.NET?
Syncfusion Essential PDF is a .NET PDF library used to create, read, and edit PDF documents. Using this library, you can change the PDF version using C# and VB.NET.
Steps to change the PDF version programmatically:
- Create a new C# console application project.
- Install the Syncfusion.Pdf.WinForms NuGet package as a reference to your .NET Framework application from NuGet.org.
- Include the following namespaces in the Program.cs file.
C#
using Syncfusion.Pdf;
using Syncfusion.Pdf.Parsing;
VB.NET
Imports Syncfusion.Pdf
Imports Syncfusion.Pdf.Parsing
- Use the following code snippet to change the PDF version.
C#
// Load the PDF document
PdfLoadedDocument document = new PdfLoadedDocument("Input.pdf");
// Set the incremental update to false
document.FileStructure.IncrementalUpdate = false;
// Set the PDF version
document.FileStructure.Version = PdfVersion.Version1_7;
// Save the document
document.Save("PDFVersion.pdf");
// Close the PDF document
document.Close(true);
// This will open the PDF file, so the result will be seen in the default PDF viewer
Process.Start("PDFVersion.pdf");VB.NET
' Load the PDF document
Dim document As New PdfLoadedDocument("Input.pdf")
' Set the incremental update to false
document.FileStructure.IncrementalUpdate = False
' Set the PDF version
document.FileStructure.Version = PdfVersion.Version1_7
' Save the document
document.Save("PDFVersion.pdf")
' Close the PDF document
document.Close(True)
' This will open the PDF file, so the result will be seen in the default PDF viewer
Process.Start("PDFVersion.pdf")A complete working sample can be downloaded from PDFVersionSample.zip.
Take a moment to peruse the documentation, where you can find other options like adding document settings, printing PDF document, creating sections in a PDF, adding document actions, and features like PDF Form filling, extract text, images from PDF, and protect PDF documents with code examples.
Refer here to explore the rich set of Syncfusion Essential PDF features.
Starting with v16.2.0.x, if you reference Syncfusion® assemblies from the trial setup or the NuGet feed, include a license key in your projects. Refer to the link to learn about generating and registering the Syncfusion® license key in your application to use the components without a trial message.
Conclusion
I hope you enjoyed learning about how to change the PDF version using C# and VB.NET.
You can refer to our WinForms PDF feature tour page to learn about its other groundbreaking feature representations. You can also explore our documentation to understand how to create and manipulate data.
For current customers, you can check out our components from the License and Downloads page. If you are new to Syncfusion, you can try our 30-day free trial to check out our other controls.
If you have any queries or require clarifications, please let us know in the comments section below. You can also contact us through our support forums or feedback portal. We are always happy to assist you!
