Interrupt Barcode Processing - VB.NET
BarCode Reader SDK sample in VB.NET demonstrating ‘Interrupt Barcode Processing’
Module1.vb
Imports System.IO
Imports Bytescout.BarCodeReader
Module Module1
Sub Main()
Const imageFile As String = "1d_barcodes.pdf"
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.All1D = True
AddHandler reader.BarcodeFound, AddressOf Reader_BarcodeFound
' -----------------------------------------------------------------------
' 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
reader.ReadFrom(imageFile)
' Cleanup
reader.Dispose()
Console.WriteLine("Press any key to exit..")
Console.ReadKey()
End Sub
Private Sub Reader_BarcodeFound(ByVal sender As Object, ByVal e As BarcodeFoundEventArgs)
Console.WriteLine("Found barcode with type '{0}' and value '{1}'", e.Barcode.Type, e.Barcode.Value)
If e.Count = 5 Then
' Cancel after 5 barcodes found
e.Cancel = True
Console.WriteLine("Cancelled.")
End If
End Sub
End Module