How to create Code39 (USD-3, Code 3 of 9, LOGMARS and in extended mode also know as Code39Extended, Code 39 Full ASCII mode) barcode using Bytescout.BarCode library for .NET

Code 39 barcode (aka USD-3, 3 of 9). Code 39 symbology allows all ASCII symbols to be encoded in extended mode or symbols from this string "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%" in standard mode. This symbology used for example by U.S. Government and military, required for DoD applications

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.Code39
' Set value
barcode.Value = "DATA"

' Save barcode to image
barcode.SaveImage("result.png")

' Show image in default image viewer
Process.Start("result.png")
End Sub

End Module

C#:

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.Code39;
// Set value
barcode.Value = "DATA";

// Save barcode to image
barcode.SaveImage("result.png");

// Show image in default image viewer
Process.Start("result.png");
}
}
}