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How to Add or Draw Barcode in WinForms PDF Using C# and VB.NET?

3 mins read

Syncfusion Essential® PDF is a .NET PDF library used to create, read, and edit PDF documents. Using this library, you can add or draw barcodes in a PDF document using C# and VB.NET.

Steps to add or draw barcodes in a PDF programmatically:

  1. Create a new C# console application project. Create a console application project

Create new console application
  2. Install the Syncfusion.Pdf.WinForms NuGet package as a reference to your .NET Framework application from NuGet.org. NuGet reference

Install nuget packages
  3. Include the following namespace in the Program.cs file.

C#

using Syncfusion.Pdf;
using Syncfusion.Pdf.Barcode;
using Syncfusion.Pdf.Graphics;
using System.Drawing;

 

VB.NET

Imports System.Drawing
Imports Syncfusion.Pdf
Imports Syncfusion.Pdf.Barcode
Imports Syncfusion.Pdf.Graphics

 

  1. Use the following code snippet to add or draw a barcode in a PDF document.

C#

// Create a new PDF document
PdfDocument document = new PdfDocument();
// Adding a new page to the PDF document
PdfPage page = document.Pages.Add();

#region Code39
// Drawing Code39 barcode
PdfCode39Barcode barcode = new PdfCode39Barcode();
// Set the height of the barcode
barcode.BarHeight = 45;
// Setting the text of the barcode
barcode.Text = "CODE39$";
// Draw string
page.Graphics.DrawString("Code39", new PdfStandardFont(PdfFontFamily.Helvetica, 10, PdfFontStyle.Bold), PdfBrushes.Black, new PointF(20, 30));
// Printing the barcode onto the PDF
barcode.Draw(page, new PointF(50, 70));
#endregion

#region QRBarcode
// Drawing QR barcode
PdfQRBarcode qrBarcode = new PdfQRBarcode();
// Set Error Correction Level
qrBarcode.ErrorCorrectionLevel = PdfErrorCorrectionLevel.High;
// Set XDimension
qrBarcode.XDimension = 3;
qrBarcode.Text = "http://www.syncfusion.com";
// Draw string
page.Graphics.DrawString("QR Barcode", new PdfStandardFont(PdfFontFamily.Helvetica, 10, PdfFontStyle.Bold), PdfBrushes.Black, new PointF(20, 180));
// Printing the barcode onto the PDF
qrBarcode.Draw(page, new PointF(50, 200));
#endregion

// Save the document
document.Save("Barcode.pdf");
// Close the document
document.Close(true);
// This will open the PDF file so the result will be seen in the default PDF viewer
Process.Start("Barcode.pdf");

VB.NET

'Create a new PDF document
Dim document As New PdfDocument()
'Adding a new page to the PDF document
Dim page As PdfPage = document.Pages.Add()

#Region "Code39"
'Drawing Code39 barcode
Dim barcode As New PdfCode39Barcode()
'Set the height of the barcode
barcode.BarHeight = 45
'Setting the text of the barcode
barcode.Text = "CODE39$"
'Draw string
page.Graphics.DrawString("Code39", New PdfStandardFont(PdfFontFamily.Helvetica, 10, PdfFontStyle.Bold), PdfBrushes.Black, New PointF(20, 30))
'Printing the barcode onto the PDF
barcode.Draw(page, New PointF(50, 70))
#End Region

#Region "QR Barcode"
'Drawing QR barcode
Dim qrBarcode As New PdfQRBarcode()
'Set Error Correction Level
qrBarcode.ErrorCorrectionLevel = PdfErrorCorrectionLevel.High
'Set XDimension
qrBarcode.XDimension = 3
qrBarcode.Text = "http://www.syncfusion.com"
'Draw string
page.Graphics.DrawString("QR Barcode", New PdfStandardFont(PdfFontFamily.Helvetica, 10, PdfFontStyle.Bold), PdfBrushes.Black, New PointF(20, 180))
'Printing the barcode onto the PDF
qrBarcode.Draw(page, New PointF(50, 200))
#End Region

'Save the document
document.Save("Barcode.pdf")
'Close the document
document.Close(True)
'This will open the PDF file so the result will be seen in the default PDF viewer
Process.Start("Barcode.pdf")
A complete working sample can be downloaded from BarcodeSample.zip.

By executing the program, you will get the PDF document as follows. Screenshot of output PDF file

Take a moment to peruse the documentation, where you can find options like adding one-dimensional and two-dimensional barcodes to the PDF document, setting the location and size of the barcode, and customizing the barcode appearance.

Refer here to explore the 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.


Conclusion

I hope you enjoyed learning about how to add or draw a QR Code (barcode) in a PDF using C# and VB.NET.

You can refer to our .NET PDF Framework’s feature tour page to know about its other groundbreaking feature representations and documentation to know about how to quickly get started for configuration specifications. You can also explore our PDF example to understand how to create and manipulate data in .NET PDF. 

For current customers, you can check out our Document processing libraries from the License and Downloads page. If you are new to Syncfusion®, you can try our 30-day free trial to check out our JavaScript Context Menu and other JavaScript controls.

If you have any queries or require clarifications, please let us know in the comments below. You can also contact us through our support forums or feedback portal. We are always happy to assist you!

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