Scan & Read Linear & 2D BarCodes in .NET applications using .NET Barcode Reader Control

• Read and recognize 20+ linear, 2d barcode images in .NET
• Scan and read barcodes from any angle inside the barcode image in any Visual Studio .NET development
• Decode barcodes from Tiff, Bitmap, Gif, Jpeg image types in .net class
• Support quick scan barcodes from specified area inside the image document
• Completely developed in .NET, compatible with .net framework 2.0 and later version
• Reading and recognizing 2d (matrix) barcode images, including QR Code in .NET, PDF-417 in .NET, Data Matrix in .NET.
• Scanning and recognizing linear (1d) barcode images, including Code 39 in .NET, Code 128 in .NET,
  EAN-8 in .NET, EAN-13 in .NET, UPC-A in .NET, UPC-E in .NET, Interleaved 2 of 5 in .NET
• Mature .NET barcode reading component SDK

.NET Barcode Reader is a .NET barcode scanning control which scan and read 1D (linear) and 2D (matrix) barcodes from image files. Besides .NET Barcode Reader library, OnBarcode also provides .NET Barcode Generator for generating linear and 2D barcodes in the .NET applications.

This article provides detailed developer guide for .NET Barcode Reader SDK. To use this article, you need first download the evaluation version of .NET Barcode Reader from our site.

Besides this article for .NET developers, we also provide the following articles for C#, VB.NET professionals.

• C# Barcode Reader - Guide for scanning and reading barcodes in C# using .NET Barcode Reader Control
• VB.NET Barcode Reader - Guide for scanning and reading barcodes in VB.NET using .NET Barcode Reader Control
  
  

 

• OnBarcode.Barcode.BarcodeScanner.dll - .NET Barcode Reader SDK Control for you to integrate into your .NET project
  
  
• BarcodeLabelsScanner.exe - Free Barcode Scanner Software for you to test the barcode reading performance easily and quickly
  
  
• DeveloperGuide.html - .NET Barcode Reader SDK developer guide

 

Requirement

You need install Microsoft .NET Framework Version 2.0 or later version.

Install

Add OnBarcode.Barcode.BarcodeScanner.dll into your .NET project reference.

 

Scan barcodes from the image documents

Read barcodes from image is a simple task with barcode reader for .net control.

Here is the sample demo code in C# to scan barcodes from image files

	String[] barcodes = BarcodeScanner.Scan("code39image.gif", BarcodeType.Code39);

Pass your barcode image file, and barcode type to BarcodeScanner.Scan method, and it will scan the image and return all barcodes found.

Scan barcodes from .NET image object

To scan barcodes from System.Drawing.Bitmap object.

	System.Drawing.Bitmap objImage = ...
	String[] barcodes = BarcodeScanner.Scan(objImage, BarcodeType.Code39);

Scan barcodes from the defined area within the image

To scan barcodes from defined area in the image document. The following C# codes will scan user defined area (left top point is [0, 0], right bottom point is [200, 300]) from the image document.

	List<SRegion> areas = new List<SRegion>();
	SRegion area = new SRegion(0, 0, 200, 300);
	areas.Add(area);
		
	String[] barcodes = BarcodeScanner.ScanRegions("code39image.gif", BarcodeType.Code39, areas);

Scan maximum 1 barcode from the image

If there is maximum one barcode in the image file, to improve the reading speed, you can use the following method to scan the barcode

	String[] barcodes = BarcodeScanner.ScanSingleBarcode("code39image.gif", BarcodeType.Code39);

1D / Linear Barcodes Australia Post Codabar Code 39 Code 93 Code 128 EAN-8 EAN-13 Identcode Intelligent Mail (OneCode) Interleaved 2 of 5 ISBN ISSN ITF-14 Leitcode Patch Code Planet Postnet RM4SCC UPC-A UPC-E

2D / Matrix Barcodes Data Matrix PDF 417 QR Code