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How to create stamp annotation with barcode appearance in a PDF document using C# and VB.NET?

5 mins read

The Syncfusion Essential® PDF is a feature-rich and high-performance .NET PDF library that is used to create, read, and edit PDF documents programmatically without Adobe dependencies. Using this library, you can create a stamp annotation with barcode appearance in a PDF document using C# and VB.NET.

Steps to create a stamp annotation with barcode appearance in a PDF document using C# programmatically

1. Create a new C# console application project.

Create a console application

2. Install the Syncfusion.PDF.WinForms NuGet packages as a reference to your .NET Framework application from NuGet.org.

Install nuget packages

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

C#

using Syncfusion.Pdf;
using Syncfusion.Pdf.Barcode;
using Syncfusion.Pdf.Graphics;
using Syncfusion.Pdf.Interactive;

 

VB.NET

Imports Syncfusion.Pdf
Imports Syncfusion.Pdf.Barcode
Imports Syncfusion.Pdf.Interactive
Imports Syncfusion.Pdf.Graphics

 

4. The following code example shows how to create stamp annotation with barcode appearance in a PDF document using C#.

C#

//Creating a new PDF Document.
PdfDocument document = new PdfDocument();
//Add the margins.
document.PageSettings.Margins.All = 0;
//Adding a new page to a PDF document.
PdfPage page = document.Pages.Add();
//Initialize a new PdfCode39Barcode instance.
PdfCode39Barcode barcode = new PdfCode39Barcode();
//Set the height and text for barcode.
barcode.BarHeight = 45;
barcode.Text = "CODE39$";
//Convert the barcode to image.
Image barcodeImage = barcode.ToImage(new SizeF(180, 100));
//Creates a new pdf rubber stamp annotation.
RectangleF rectangle = new RectangleF(40, 60, 180, 100);
PdfRubberStampAnnotation rubberStampAnnotation = new PdfRubberStampAnnotation(rectangle, " Barcode Rubber Stamp Annotation");
rubberStampAnnotation.Appearance.Normal.Graphics.DrawImage(new PdfBitmap(barcodeImage), 0, 0, rectangle.Width, rectangle.Height);
rubberStampAnnotation.Text = "Barcode Properties Rubber Stamp Annotation";
//Adds annotation to the page.
page.Annotations.Add(rubberStampAnnotation);
//Save and closes the document.
document.Save("../../Barcode.pdf");
document.Close(true);

 

VB.NET

'Creating a new PDF Document.
Dim document As PdfDocument = New PdfDocument()
'Add the margins.
document.PageSettings.Margins.All = 0
'Adding a new page to a PDF document.
Dim page As PdfPage = document.Pages.Add()
'Initialize a new PdfCode39Barcode instance.
Dim barcode As PdfCode39Barcode = New PdfCode39Barcode()
'Set the height and text for barcode.
barcode.BarHeight = 45
barcode.Text = "CODE39$"
'Convert the barcode to image.
Dim barcodeImage As Image = barcode.ToImage(New SizeF(180, 100))
'Creates a new pdf rubber stamp annotation.
Dim rectangle As RectangleF = New RectangleF(40, 60, 180, 100)
Dim rubberStampAnnotation As PdfRubberStampAnnotation = New PdfRubberStampAnnotation(rectangle, " Barcode Rubber Stamp Annotation")
rubberStampAnnotation.Appearance.Normal.Graphics.DrawImage(new PdfBitmap(barcodeImage), 0, 0, rectangle.Width, rectangle.Height);
rubberStampAnnotation.Text = "Barcode Properties Rubber Stamp Annotation";
'Adds annotation to the page.
page.Annotations.Add(rubberStampAnnotation)
'Save and closes the document.
document.Save("../../Barcode.pdf")
document.Close(true)

 

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

Output screenshot

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

Take a moment to peruse the documentation. You can also find the options like adding one-dimensional and two-dimensional barcodes to the PDF document, set location and size to the barcode, and customizing the barcode appearance.

Refer to this link to explore a rich set of Syncfusion Essential® PDF features.

An online sample link to the creation of a barcode in a PDF document.

 

Note:

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.

 

Also see:

https://help.syncfusion.com/file-formats/pdf/working-with-barcode

https://www.syncfusion.com/kb/9543/how-to-add-or-draw-barcode-in-a-pdf-using-c-and-vb-net

https://www.syncfusion.com/kb/9803/how-to-convert-barcode-to-image-using-c-and-vb-net

https://www.syncfusion.com/kb/11502/how-to-convert-the-barcode-to-image-in-the-asp-net-core-platform

 

Conclusion:

I hope you enjoyed learning about how to create stamp annotation with barcode appearance in a PDF document using C# and VB.NET.

 

You can refer to our Flutter PDF feature tour page to learn about its other groundbreaking features and documentation, and how to quickly get started with configuration specifications. You can also explore our Flutter PDF Flutter PDF examples 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 explore 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!

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