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Read PDF417 on Doc Image
To get started with DocImage SDK for .NET, you are supposed to read VB.NET Imaging: Get Started first!
RasterEdge .NET Imaging Barcode Reading Add-on is designed to be very easy to use. PDF-417 barcode reading library of .NET Imaging SDK can be combined within any single or multiple safe threaded VB.NET applications to detect and recognize PDF-417 2d barcode located within an image or a document page just with a few lines of VB class code. And the readable image and document forms contain commonly used GIF, BMP, PNG, JPEG, TIFF, PDF and Word.
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Apart from PDF-417 barcode reading, RasterEdge .NET Imaging Barcode Reading library in VB image program still supports scanning and decoding other 30 linear and 2d barcode symbols.
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Here we list some popular 1D and 2D barcode types, they are: QR code, Data Matrix, Code 128, Code 39, GS1-128, EAN-8, UPC-A, and many more.
From this VB PDF-417 reading tutorial, users are supposed to get following instructions:
- Main and brief introduction of the features and benefits of PDF417 barcode reading control within VB.NET class
- VB.NET imaging: how to read 2D PDF417 barcode from gif, bmp, png, jpeg and tiff forms in VB code
- VB.NET imaging: how to recognize PDF417 barcode from single or multiple PDF document page(s) with the VB class API methods
- VB.NET imaging: how to scan and decode PDF417 barcode from a certain Word page in high speed by specifying the barcode location
PDF-417 Barcode Reading Control Feature List of in VB
- Easy to create a Visual Studio VB.NET application to incorporate PDF417 Barcode Reading library
- Free to detect and decode PDF417 barcode from single or multiple image(s) in VB code
- Able to recognize and read PDF417 barcodes from different PDF pages at one time
- Allow users to scan PDF417 barcode on specific region of Word document page in VB project
- Automatically detect orientation of the recognized PDF417 barcode at east, south, west or north direction
- Accurately return the string value of decoded PDF417 by using sample VB code
- Completely report recognized PDF417 barcode color, font style and image resolution
- .NET Imaging Processing SDK ensures PDF417 barcode image in a good condition for better scanning
VB.NET Imaging: How to Read 2D PDF-417 Barcode from Image
Compared with barcode reading from document, PDF417 barcode scanning on image can be a litter easier. Following VB demo code on reading PDF417 from TIFF image can be applied to users' VB project directly. If you are still interested in other main 2D barcodes reading of this VB.NET Imaging Barcode Reading toolkit, please link to see:
VB.NET sample code for users to read QR code from image and document forms and
how to read and decode Data Matrix barcode from PDF and Word document in VB program.
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.PDF417)
For Each data As String In datas
Debug.WriteLine(data)
Next
End Sub
VB.NET Imaging: How to Decode PDF-417 Barcode from PDF Page
With this .NET Imaging Barcode Reading component in VB project, users are able to decode and read PDF417 barcode from a certain PDF document page. And please note that if you want to integrate following VB sample code into your VB application directly, you need to use your developer license to activate the relevant RasterEdge .NET Imaging PDF and Barcode Add-on assemblies at first. As to how to get the unique developer license, please see
activate RasterEdge .NET Imaging SDK license.
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.PDF417)
For Each data As String In datas
Debug.WriteLine(data)
Next
End Sub
VB.NET Imaging: How to Scan PDF-417 Barcode from Word File
Besides reading PDF417 from PDF page, this VB.NET Imaging Barcode Reading control still enables users to decode and recognize PDF417 barcode on Word file. With the flexible barcode location detecting methods, users are supposed to quickly define the region of PDF417 barcode from the location X and Y data. Furthermore, using this PDF417 reading tool, users can read and scan several PDF417 barcodes from single or multiple Word document pages with VB.NET example code below.
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.PDF417)
For Each data As String In datas
Debug.WriteLine(data)
Next
End Sub
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