ByteScout Barcode Reader SDK – VB.NET – Read Checkboxes From Image

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ByteScout Barcode Reader SDK – VB.NET – Read Checkboxes From Image

printable version:
ByteScout-BarCode-Reader-SDK-VB-NET-Read-Checkboxes-From-Image.pdf

How to read checkboxes from image in VB.NET and ByteScout BarCode Reader SDK

The tutorial below will demonstrate how to read checkboxes from image in VB.NET

Every ByteScout tool contains example VB.NET source codes that you can find here or in the folder with installed ByteScout product. ByteScout BarCode Reader SDK is the barcode decoder with support for code 39, code 128, QR Code, Datamatrix, GS1, PDF417 and all other popular barcodes. Can read barcodes from images, pdf, tiff documents and live web camera. Supports noisy and damaged documents, can split and merge pdf and tiff documents based on barcodes. Can export barcode decoder results to XML, JSON, CSV and into custom data structures and you can use it to read checkboxes from image with VB.NET.

Fast application programming interfaces of ByteScout BarCode Reader SDK for VB.NET plus the instruction and the code below will help you quickly learn how to read checkboxes from image. In order to implement the functionality, you should copy and paste this code for VB.NET below into your code editor with your app, compile and run your application. Further enhancement of the code will make it more vigorous.

Our website provides trial version of ByteScout BarCode Reader SDK for free. It also includes documentation and source code samples.

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Module1.vb

      Imports System.IO
Imports Bytescout.BarCodeReader

Module Module1

    Sub Main()

        Dim ImageFile As String = "checkboxes-checked.png"

        Console.WriteLine("Reading checkboxes from image {0}", Path.GetFullPath(ImageFile))

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

        ' Enable check boxes recognition
        reader.BarcodeTypesToFind.Checkbox = True

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

        ' Find check boxes
        Dim barcodes = reader.ReadFrom(ImageFile)

        For Each barcode As FoundBarcode In barcodes
            Console.WriteLine("Found checkbox 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