VB.NET Barcode Reader & Scanner SDK Tutorial - Scan, read linear, 2d barcode images in Visual Basic .NET application

Reading & Scanning Linear, 2D Barcode Images in Visual Basic .NET






OnBarcode .NET Barcode Reader is a VB.NET component which reads and recognizes barcode images in Visual Studio VB.NET applications.

.NET Barcode Reader is completed built on C# 2005, supporting Code 39, Code 128, GS1-128/EAN-128, Interleaved 2 of 5, UPC-A, UPC-E, EAN-8, EAN-13, and PDF-417.

VB.NET Barcode Generators
VB.NET 2d barcode generators: QR Code Generator, PDF-417 Generator, Data Matrix Generator.
VB.NET linear barcode creators: Create Code 39, Create Code 128, Create EAN-8, Create EAN-13, Create GS1-128, Create ITF-14, Create UPC-A, Create UPC-E.

VB.NET Barcode Reader Quick Start

1. Install .NET Barcode Reader component to your VB.NET project

Add OnBarcode.Barcode.BarcodeScanner.dll to VB.NET project reference

2. Scan & read linear & 2D barcodes in VB.NET class?

Call BarcodeScanner.Scan() method in your VB.NET class, and pass your barcode image file, and barcode type as method parameters.
Dim barcodes() As string = BarcodeScanner.Scan("code128-image.gif", BarcodeType.Code128) 

3. To improve the barcode scanning speed, call ScanSingleBarcode, if there is maximum one barcode per image.

Dim barcodes() As string = BarcodeScanner.ScanSingleBarcode("code39-image.gif", BarcodeReader.Code39) 

4. To scan defined areas in the image in VB.NET class

Dim areas As List<SRegion> = New List<SRegion>
Dim area As SRegion = New SRegion(0, 0, 200, 300)
areas.Add(area)
		
Dim barcodes() As string = BarcodeScanner.ScanRegions("code39image.gif", BarcodeType.Code39, areas)




.NET Barcode Reader Supported Barcode Types





OnBarcode is a market-leading provider of barcode generator, reader controls and components for ASP.NET, Windows Forms, WPF, as well Java, Android, iOS (iPhone, iPad) across all major enterprise development platforms. We provides high quality tutorials and guides for various linear, 2d barcode information, such as C# Barcode, QR Code C#, QR Code VB.NET, QR Code ASP.NET, QR Code .NET, ASP.NET Barcode. OnBarcode products support most common barcode symbologies including QRCode C# SDK, Data Matrix in C#.net Control, PDF-417 Componennt in C# .NET, Code 128 VS .net sdk, Code 39 C# library.
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