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Create Data Matrix 2D Barcodes with VB.NET in .NET WinForms

Step 1. Add a Reference to BarCodeWizFonts.DataMatrix.dll

  • Click on Project > Add Project Reference...
Adding a Reference to BarCodeWizFonts.DataMatrix.dll in VB.NET WinForms
  • Click Browse...
  • Locate BarCodeWizFonts.DataMatrix.dll and click Add. The default location is:
    C:\Program Files\BarCodeWiz\BarCodeWiz Data Matrix Fonts\DotNet\net40 (use with .NET 4.0 or newer)
    C:\Program Files\BarCodeWiz\BarCodeWiz Data Matrix Fonts\DotNet\net20 (use with .NET 2.0 or newer)
Selecting BarCodeWizFonts.DataMatrix.dll as a reference

Step 2. Add the following controls to your form:

  • 1. TextBox (TextBox1) - text input, will be converted to barcode
  • 2. Button (Button1) - to trigger the conversion. Set its Text property to "Encode"
  • 3. Label (Label1) - to display the encoded barcode
Form wit TextBox, Button and a Label placed in it

Step 3. Edit the label properties

  • Set the Font to BCW_DM, 18pt,
  • Set UseMnemonic to False
Setting properties for Label control

Step 4. Add code to convert the text to barcode

  • Double-click on Button1 and replace everything in the Click event with the following code.:

Imports BarCodeWizFonts.DataMatrix

Public Class Form1

    Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load

    End Sub

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        Dim encoder As New DataMatrixFonts
        Label1.Text = encoder.Encode(TextBox1.Text)
    End Sub
End Class

Final result.

Preview of a finished project with Data Matrix barcode in a WinForm