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VB.NET Imaging - Leitcode Barcode Decoding

Leitcode Reader SDK for VB.NET Image, PDF & Word Barcode Decoding Project

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Leitcode Barcode Detection in VB.NET
How to read & decode Leitcode barcode from target document image file using VB.NET programming code? Without using any other third-party software, without requiring any professional knowledge about Leitcode barcode type, this VB.NET Leitcode barcode reader control can help developers decode Leitcode barcode from png, gif, jpeg, tiff, bmp, PDF and Word document in an easy and accurate way.
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This online tutorial page will give you a complete and deep illustration of this VB.NET Leitcode barcode recognition SDK from following aspects.
  • VB.NET Leitcode barcode detection and recognition control features
  • Brief overview of this VB.NET Leitcode barcode scanner SDK dlls
  • VB.NET code to decode Leitcode barcode from image
  • How to read Leitcode barcode image from PDF file using VB.NET code
  • VB.NET sample code for fast Leitcode barcode reading from Word document
  • VB.NET Leitcode barcode reader control FAQs
VB.NET Leitcode Barcode Scanner Features
  • 100% clean VB.NET Leitcode barcode reader component that can be used in multi-thread .NET applications
  • Professional VB.NET Leitcode barcode scanning solution that is developed for .NET Framework 2.0, 3.0, 3.0, 4.0 and 4.5
  • Flexible VB.NET Leitcode barcode decoder control that is compatible with both ASP.NET web applications and WinForms projects
  • Achieve fast and accurate Leitcode barcode detection and recognition using VB.NET code independently
  • Able to read all Leitcode barcodes from source image file or target document page at a time using VB.NET
  • Support detecting & reading Leitcode barcodes from partial or whole image file using VB.NET code programmatically
Apart from the function to decode Leitcode barcode using VB.NET code, this .NET Barcode Reader SDK is also able to detect & read other postal barcodes from image files & document types, like Identcode, Intelligent Mail, PLANET, POSTNET and RM4SCC.
VB.NET Leitcode Barcode Reader DLLs Overview
To help VB.NET developers successfully integrate this mature linear Leitcode barcode reading functions into their .NET imaging applications, you have to integrate following compact dlls.
  • RasterEdge.Imaging.Barcode.Scanner.dll
  • RasterEdge.Imaging.Basic.dll
The combination of those two dlls will help VB.NET developers decode Leitcode barcode from image file and perform some basic image processing functions in target image file. If you want to decode Leitcode barcode from Word or PDF document, you need to add this VB.NET Word document editing control (RasterEdge.Imaging.MSWordDocx.dll) or this VB.NET PDF document processing library (RasterEdge.Imaging.PDF.dll).
VB.NET Leitcode Barcode Reading from Image
The following VB.NET programming example is used to read & decode Leitcode barcode from image file. By default, this VB.NET barcode reader SDK will detect Leitcode barcode by scanning whole image file with five algorithms from four directions. But you are allowed to customize Leitcode barcode reading speed with following methods.
  • Define a smaller Leitcode barcode scanning area
  • Set a maximum Leitcode barcode number
Public Shared FolderName As String = "c:/"

Private Sub button1_Click(sender As Object, e As EventArgs)
Dim fileName As String = FolderName & "SampleBarcode.tif"

Dim datas As String() = BarcodeScanner.Scan(fileName, BarcodeType.Leitcode)

For Each data As String In datas
Debug.WriteLine(data)
Next
End Sub
VB.NET Code to Scan Leitcode Barcode from PDF
Above mentioned VB.NET Leitcode barcode scanning and reading functions are all suitable for PDF document editing applications.
Public Shared FolderName As String = "c:/"

Private Sub button1_Click(sender As Object, e As EventArgs)
Dim fileName As String = FolderName & "Sample.pdf"

Dim reImage As REImage = DirectCast(REFile.OpenDocumentFile(fileName, New PDFDecoder()).GetPage(0).ToImage(), REImage)

Dim datas As String() = BarcodeScanner.Scan(reImage, BarcodeType.Leitcode)

For Each data As String In datas
Debug.WriteLine(data)
Next
End Sub
VB.NET Word Leitcode Barcode Reader
Those flexible and powerful VB.NET Leitcode barcode reading & scanning features can be also applied to Word document processing project.
Public Shared FolderName As String = "c:/"

Private Sub button1_Click(sender As Object, e As EventArgs)
Dim fileName As String = FolderName & "Sample.docx"

Dim reImage As REImage = DirectCast(REFile.OpenDocumentFile(fileName, New DOCXDecoder()).GetPage(0).ToImage(), REImage)

Dim datas As String() = BarcodeScanner.Scan(reImage, BarcodeType.Leitcode)

For Each data As String In datas
Debug.WriteLine(data)
Next
End Sub
VB.NET Leitcode Barcode Scanner Control FAQs
Q: Does the API that this VB.NET Leitcode barcode reader control has offered allow developers to decode all Leitcode barcodes from a multi-page PDF file at a time.
A: Sorry, RasterEdge VB.NET Leitcode barcode scanner control toolkit does not offer the API which can detect and decode all Leitcode barcode images from a multi-page PDF file at once. It only allows VB.NET developers to decode all Leitcode barcode image from one PDF page at a time.
If needed, you can also see VB.NET Leitcode barcode generator control which can help .NET developer draw Leitcode barcode on image or PDF or Word file.


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