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How to hide the signature field in a PDF 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 hide the signature field in a PDF using C# and VB.NET.

Steps to hide the signature field in a PDF programmatically:

  1. Create a new C# console application project.

Create a console application project

  1. Install the Syncfusion.Pdf.WinForms NuGet package as reference to your .NET Framework application from NuGet.org.

NuGet package reference screenshot

  1. Include the following namespaces in Program.cs file.



  1. Use the following code snippet to hide the signature field in a PDF document.



A complete working sample can be downloaded from PDFFormSample.zip.

Take a moment to peruse the documentation, where you can find other options like add form fields to PDF, modifying existing form fields, filling form fields, removing editing capability, removing form fields, importing FDF file to PDF, export PDF file to FDF, adding actions to form fields, and features like Digital Signature and XFA Form code examples.

Refer here to learn more about PDF forms in Syncfusion .NET PDF library.


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.



Article ID: Published Date: Last Revised Date: Platform: Control:
6014 01/19/2016 11/15/2018 WinForms PDF
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