ByteScout Data Extraction Suite – VB.NET – Batch read from files with barcode reader sdk

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ByteScout Data Extraction Suite – VB.NET – Batch read from files with barcode reader sdk

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ByteScout-Data-Extraction-Suite-VB-NET-Batch-read-from-files-with-barcode-reader-sdk.pdf

How to batch read from files with barcode reader sdk in VB.NET and ByteScout Data Extraction Suite

This code in VB.NET shows how to batch read from files with barcode reader sdk with this how to tutorial

These sample source codes on this page below are displaying how to batch read from files with barcode reader sdk in VB.NET. ByteScout Data Extraction Suite can batch read from files with barcode reader sdk. It can be applied from VB.NET. ByteScout Data Extraction Suite is the bundle that includes three SDK tools for data extraction from PDF, scans, images and from spreadsheets: PDF Extractor SDK, Data Extraction SDK, Barcode Reader SDK.

The SDK samples given below describe how to quickly make your application do batch read from files with barcode reader sdk in VB.NET with the help of ByteScout Data Extraction Suite. This VB.NET sample code is all you need for your app. Just copy and paste the code, add references (if needs to) and you are all set! Complete and detailed tutorials and documentation are available along with installed ByteScout Data Extraction Suite if you’d like to learn more about the topic and the details of the API.

The trial version of ByteScout Data Extraction Suite can be downloaded for free from our website. It also includes source code samples for VB.NET and other programming languages.

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Module1.vb

      Imports System.IO
Imports Bytescout.BarCodeReader

Module Module1

    Sub Main()

        ' Get all JPG files from the current folder
        Dim filesToScan As String() = Directory.GetFiles(Directory.GetCurrentDirectory(), "*.jpg")

        ' Open file to export results
        Dim resultsCsvFile As StreamWriter = File.CreateText("results.csv")

        ' Create barcode reader instance
        Dim reader As New Reader()
        reader.RegistrationName = "demo"
        reader.RegistrationKey = "demo"

        ' Set barcode types for searching
        reader.BarcodeTypesToFind.EAN13 = True
        
        ' Iterate over images and read barcodes
        For Each file As String In filesToScan

            Console.WriteLine()
            Console.WriteLine("Reading barcode(s) from image {0}", file)

            ' -----------------------------------------------------------------------
            ' 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 from image
            Dim barcodes As FoundBarcode() = reader.ReadFrom(file)

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

            ' Write results to file in CSV format. Note, you can also export to TXT and XML.
            Dim csv = reader.ExportFoundBarcodesToCSV()
            resultsCsvFile.Write(csv)

        Next

        reader.Dispose()
        resultsCsvFile.Dispose()


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

    End Sub

End Module