Online Guide

For Using BC.NetBarcodeReader.Code39 in .NET
Scan, read, and recognize linear/1d barcode Code 39 from raster images Jpg, Jpeg, Png, Tiff, Bmp, and Gif.

Guide Overview

It's easy to use BC.NetBarcodeReader.Code39 reader library to decode and read Code 39 symbologies from images in your .NET applications. Here we will show you in simple steps. Please firstly download and get the free trial library (BC.NetBarcodeReaderTrial.Code39.dll). And the only thing for the integration of our library is to add your project reference to it.


We take the Console Application as an example of how to use BC.NetBarcodeReader.Code39 reader library to decode and read Code 39 bar codes from images. For ease of use, here are simple code examples for C# and VB.NET developers. To read all linear and 2d barcode symbologies, you should use the library, BC.NetBarcodeReader.All.

1. Decode and read Code 39 barcode symbologies from an image using BC.NetBarcodeReader.Code39 reader library. We also provide Code 39 scanning solution for PDF document. If you are also interested in this, please see our product BC.NetPdfBarcodeReader.All and its online tutorial: how to decode barcodes from PDF document.

How to in C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using BC.NetBarcodeReaderTrial.Code39;

namespace BC.NetBarcodeReaderDemo
    class Program
        static void Main(string[] args)

        public static void ReadOneBarcodeTypefromImage()
            string[] data = NetBarcodeReader.Recognize("Code39.gif", NetBarcodeReader.Code39);            

            foreach (string result in data)

How to in VB.NET

Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports System.Text
Imports BC.NetBarcodeReaderTrial.Code39

Module BCNetBarcodeReaderDemo  

    Sub Main()
    End Sub

    Public Sub ReadOneBarcodeTypefromImage()
        Dim data As String() = NetBarcodeReader.Recognize("Code39.gif", NetBarcodeReader.Code39)

        For Each result As String In data

    End Sub

End Module

Guide for Barcode Symbologies