ByteScout Barcode Reader SDK – VB.NET – Decode QR Code

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ByteScout Barcode Reader SDK – VB.NET – Decode QR Code

printable version:
ByteScout-BarCode-Reader-SDK-VB-NET-Decode-QR-Code.pdf

How to decode QR code in VB.NET and ByteScout BarCode Reader SDK

This code in VB.NET shows how to decode QR code with this how to tutorial

We made thousands of pre-made source code pieces for easy implementation in your own programming projects. ByteScout BarCode Reader SDK: the SDK for barcode decoding. Can read all popular types from Code 128, GS1, UPC and Code 39 to QR Code, Datamatrix, PDF417. Images, pdf, TIF images and live web camera are supported as input. Designed to handle documents with noise and defects. Includes optional splitter and merger for pdf and tiff based on barcodes. Batch mode is optimized for high performance with multiple threads. Decoded values can be exported to XML, JSON, CSV or into custom data format. It can decode QR code in VB.NET.

The SDK samples like this one below explain how to quickly make your application do decode QR code in VB.NET with the help of ByteScout BarCode Reader SDK. Just copy and paste the code into your VB.NET application’s code and follow the instruction. This basic programming language sample code for VB.NET will do the whole work for you to decode QR code.

Free trial version of ByteScout BarCode Reader SDK is available on our website. Documentation and source code samples are included.

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Module1.vb

      Imports System.IO
Imports Bytescout.BarCodeReader

Module Module1

    Sub Main()

        Const imageFile As String = "QRCode.png"

        Console.WriteLine("Reading barcode(s) from image {0}", Path.GetFullPath(imageFile))

        Dim reader As New Reader()
        reader.RegistrationName = "demo"
		reader.RegistrationKey = "demo"

        ' Set barcode type to find
        reader.BarcodeTypesToFind.QRCode = True

        ' -----------------------------------------------------------------------
        ' NOTE: We can read barcodes from specific page to increase performance .
        ' For sample please refer to "Decoding barcodes from PDF by pages" program.
        ' ----------------------------------------------------------------------- 

        ' Read barcodes
        Dim barcodes As FoundBarcode() = reader.ReadFrom(imageFile)

        For Each barcode As FoundBarcode In barcodes
            Console.WriteLine("Found barcode with type '{0}' and value '{1}'", barcode.Type, barcode.Value)
        Next

        ' Cleanup
        reader.Dispose()

        Console.WriteLine("Press any key to exit..")
        Console.ReadKey()

    End Sub

End Module