Output barcode screenshot (Code128 symbology)

Code128 bar code sample image

Code 128 barcode. It is a very effective, high-density symbology which permits the encoding of alphanumeric (subject to alphabet selection) data. Code 128 is a very dense code, used extensively worldwide.

Important: you can also use BarCode Windows Forms or Web ImageControl instead. To use the Windows Formscontrol in Visual Studio please open Toolbox and open “Bytescout Software” tab and drag-n-drop “BarCode” control into your WinForms or ASP.NET application (in design mode)

Visual Basic:

Imports Bytescout.BarCode

Module Module1

Sub Main()
‘ Create new barcode
Dim barcode As New Barcode()

‘ Set symbology
barcode.Symbology = SymbologyType.Code128
‘ Set value
barcode.Value = “DATA”

‘ Save barcode to image

‘ Show image in default image viewer
End Sub

End Module


using System;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
using Bytescout.BarCode;

namespace Sample
class Program
static void Main(string[] args)
// Create new barcode
Barcode barcode = new Barcode();

// Set symbology
barcode.Symbology = SymbologyType.Code128;
// Set value
barcode.Value = “DATA”;

// Save barcode to image

// Show image in default image viewer

Demo how to generate Code 128 barcodes: