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Home > .NET Barcode > VB.NET Barcode Generation Guide > VB.NET EAN-13 Barcode SDK Library
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EAN13 VB.NET Barcode Generator Library

How to Create Linear EAN13 Barcodes Images in .NET with Visual Basic
  • Easy to integrate EAN-13 barcode generation SDK into VB.NET program developing environment
  • Generate & draw linear EAN-13 barcode images in various VB.NET applications
  • Able to create EAN-13 barcodes in .NET Windows Forms with Visual Basic Class
  • Easy to adjust EAN-13 barcode image settings using simple VB.NET programming
  • Draw EAN-13 in SQL Server Reporting Service & Crystal Reports for .NET projects
  • Own high compatibility with .NET Framework 2.0, 3.0, 3.5 and later versions
This section provides an overview of generating EAN-13 barcodes using the BarcodeLib SDK within VB.NET. EAN-13, also known as European Article Number 13, UPC-13, GTIN-13, GS1-13, or EAN/UCC-13, is the standard barcode symbology for retail product identification worldwide. The BarcodeLib VB.NET EAN-13 Generator is designed for straightforward integration into Windows Forms (WinForms) and Windows Presentation Foundation (WPF) desktop applications, as well as class libraries and console projects.
Brief Introduction of VB.NET EAN-13 Barcode Image
EAN13, as the standard barcode of European Article Number, is widely used worldwide. This linear barcode can only encode numeric data like 0,1,2,3,4,5,6,7,8,9. And according to GS1 General Specification, EAN13 can encode 12 data and 1 check digit. As for the check digit, our VB.NET Barcode Generator Component could generate it automatically.


Quick to create, print EAN-13 barcode images using VB.NET

Using the BarcodeLib VB.NET Barcode Generator library, you can quickly create and print an EAN-13 barcode to an image file or an in memory image object within a Visual Basic application.
  1. Create a Linear object in your VB.NET class.
  2. Specify the barcode format by setting the Type property to BarcodeType.EAN13.
  3. Assign the EAN-13 encoding digits to the Data property. You may enter either the first 12 digits or the complete 13 digit value.
  4. Call the drawBarcode() method to output the EAN-13 barcode as a PNG image file.
Dim barcode = New Linear()
barcode.Type = BarcodeType.EAN13
barcode.Data = "012345678912"
barcode.drawBarcode("C://Output//vb-net-ean13-how-to-demo.png")


How to generate, print EAN-13 barcode with add-on symbol using VB.NET

EAN-13 barcodes may include a 2 digit or 5 digit add on symbol, commonly used for publications or supplementary product information. This can be easily generated within VB.NET class libraries, console applications, and Windows Forms or WPF desktop applications.


For a 2 digit add on

  1. Set the Type property to BarcodeType.EAN13_2.
  2. Assign the 12 digit (or 13 digit) base data to the Data property.
  3. Assign the 2 digit add on data to the SupData property.
  4. Call drawBarcode() to generate the barcode.
Dim barcode = New Linear()
barcode.Type = BarcodeType.EAN13_2
barcode.Data = "012345678912"
barcode.SupData = "12"
barcode.drawBarcode("C://Output//vb-net-ean13-addon-2-digits-demo.png")


For a 5 digit add on

  1. Set the Type property to BarcodeType.EAN13_5.
  2. Assign the 5 digit add on data to the SupData property.
Dim barcode = New Linear()
barcode.Type = BarcodeType.EAN13_5
barcode.Data = "012345678912"
barcode.SupData = "12345"
barcode.drawBarcode("C://Output//vb-net-ean13-addon-5-digits-demo.png")


Print EAN-13 barcode text with OCR-B font using VB.NET Barcode library

Customizing the human readable text font

The GS1 standard recommends using OCR B font for rendering EAN-13 human readable text to enhance optical character recognition. The BarcodeLib VB.NET EAN-13 generation library supports custom text fonts.

Note: Before using OCR B, ensure that the "OCR-B" font is installed on your system.

Set the TextFont property with a System.Drawing.Font object specifying the OCR B font. 

barcode.TextFont = New Font("OCR-B", 12.0F, FontStyle.Regular)


Create and customize EAN-13 barcode in VB.NET

Using the BarcodeLib VB.NET Barcode Generator API, you can customize EAN-13 barcodes with the following properties within VB.NET class libraries, console applications, Windows Forms, and WPF desktop applications.

  • ShowQuietZoneIndicator: Controls whether the quiet zone indicator (the > character) is displayed at the end of the EAN-13 barcode text.
  • UPCEANLeadDigitSpace: Defines the space between the first digit and the start character bar.
  • UPCEANTrailDigitSpace: Defines the space between the stop character bar and the quiet zone indicator.


EAN barcode quiet zone indicator

By default, the library prints a quiet zone indicator (>) at the end of the EAN-13 text. You can choose to hide this indicator using the ShowQuietZoneIndicator property. 

barcode.ShowQuietZoneIndicator = False


EAN-13 the first and last digit space

You can increase the space between the first digit and the start bar, as well as the space between the stop bar and the quiet zone indicator, using the UPCEANLeadDigitSpace and UPCEANTrailDigitSpace properties. 

barcode.UPCEANLeadDigitSpace = 10
barcode.UPCEANTrailDigitSpace = 10
How to Generate EAN-13 Barcodes in VB.NET Class?
You may generate a high-quality EAN13 barcode in the following three steps:
  1. By adding reference, you could install our VB.NET Barcode Component to your web project.
  2. By choosing item, you could install this VB.NET Barcode DLL to the Toolbox.
  3. Now, you may generate EAN-13 by using the following free VB sample codes.
     Dim ean13 As New BarcodeLib.Barcode.Linear()
     ean13.Type = BarcodeLib.Barcode.BarcodeType.EAN13
     ean13.Data = "123456789123"

     ean13.ImageFormat = System.Drawing.Imaging.ImageFormat.Jpeg
     ean13.BarColor = Color.Blue
     ean13.BarWidth = 2
     ean13.LeftMargin = 4
     ean13.RightMargin = 4
        
     ' More EAN-13 barcode settings here, like image color, font, human-readable text font etc. 

     ' Save EAN-13 barcode image into your system 
     ean13.drawBarcode("c:/ean13.jpeg");

     ' Encode EAN-13 barcode & output to byte array 
     byte[] barcodeInBytes = ean13.drawBarcodeAsBytes();

     ' Encode EAN-13 barcode to Graphics object 
     Graphics graphics = ...;
     ean13.drawBarcode(graphics);

     ' Encode EAN-13 barcode and output to HttpResponse object 
     HttpResponse response = ...;
     ean13.drawBarcode(response);

     ' Encode EAN-13 barcode and output to Stream object 
     Stream stream = ...;
     ean13.drawBarcode(stream);
Above Free EAN-13 sample codes are written in Visual Basic .NET
How to Create EAN-13 Images in VB.NET ASP.NET Web Applications?
  1. Add Barcodelib.Barcode.ASP.NET.dll to your web project.
  2. Add Barcodelib.Barcode.ASP.NET.dll to the Toolbox.
  3. Copy files "linear.aspx" & "linear.aspx.cs" from the folder barcode in the downloaded trial package to the folder where your web project is created.
  4. Drag LinearASPNET from the Toolbox to the split part of your aspx page. Then a Code 128 barcode image will appear.
  5. Click the produced image and change its type to EAN13 and its other settings in the Properties Window or with above free VB sample codes.
How to Generate EAN-13 Barcodes in VB.NET Windows Forms Software?
  1. Download and unzip the trial package, and find the Barcode WinForms Library.
  2. Install .NET WinForms Barcode DLL (Barcodelib.Barcode.WinForms.dll) to your Windows Form project referrence or to Visual Studio Toolbox.
  3. Drag LinearWinForm to your windows form and you will see a Code 128 barcode image.
  4. Click the image and adjust its type to EAN13 in the Properties Window or with above free VB sample codes.


Summary

This guide has provided a comprehensive walkthrough for generating EAN-13 barcodes using the BarcodeLib SDK in VB.NET, covering basic generation, add on symbols, OCR B font customization, and advanced layout adjustments such as quiet zone indicators and digit spacing. These features are well suited for integration into Windows Forms (WinForms) and Windows Presentation Foundation (WPF) desktop applications, enabling developers to incorporate retail compliant barcode generation into their .NET projects. The included code examples serve as a practical reference for implementing EAN-13 barcodes across a variety of VB.NET application types.
Barcodes Supported by EAN13 VB.NET Barcode Generator
VB.NET Linear Barcodes:
VB.NET Matrix Barcodes:
Barcode Library for VB.NET - Generates Linear Barcodes: Codabar, Code 11, Code 2 of 5, Code 39, Code 93, Code 128, EAN 8, EAN 13, EAN 128, Interleaved 2 of 5, ITF14 (UPC Shipping Container Symbol), MSI Plessey, OneCode, Planet, Postnet, RM4SCC (British Royal Mail 4-State Customer Barcode), UPC-A, UPC-E.
Barcode Library for VB.NET - Generates 2D Barcodes: Data Matrix, PDF417, QR Code.
.NET Barcode Creating & Printing Tutorial & FAQ




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