Important Update
The sample source code below will teach you how to read barcodes from PDF in C#. Want to read barcodes from PDF in your C# app? ByteScout BarCode Reader SDK is designed for it. ByteScout BarCode Reader SDK is the SDK for barcode decoding. Can read all popular types from Code 128, GS1, UPC and Code 39 to QR Code, Datamatrix, PDF417. Images, pdf, TIF images and live web camera are supported as input. Designed to handle documents with noise and defects. Includes optional splitter and merger for pdf and tiff based on barcodes. Batch mode is optimized for high performance with multiple threads. Decoded values can be exported to XML, JSON, CSV, or into custom data format.
Fast application programming interfaces of ByteScout BarCode Reader SDK for C# plus the instruction and the code below will help you quickly learn how to read barcodes from PDF. In order to implement the functionality, you should copy and paste this code for C# below into your code editor with your app, compile and run your application. Test C# sample code examples whether they respond your needs and requirements for the project.
Free trial version of ByteScout BarCode Reader SDK is available on our website. Documentation and source code samples are included.
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using System;
using Bytescout.BarCodeReader;
namespace BarcodesFromPDF
{
class Program
{
static void Main()
{
Reader reader = new Reader();
reader.RegistrationName = "demo";
reader.RegistrationKey = "demo";
// Limit search to 1-dimensional barcodes only (exclude 2D barcodes to speed up the processing).
// Change to barcodeReader.BarcodeTypesToFind.SetAll() to scan for all supported 1D and 2D barcode types
// or select specific type, e.g. barcodeReader.BarcodeTypesToFind.PDF417 = True
reader.BarcodeTypesToFind.All1D = true;
Console.WriteLine("Reading barcodes from PDF document...");
/* -----------------------------------------------------------------------
NOTE: We can read barcodes from specific page to increase performance.
For sample please refer to "Decoding barcodes from PDF by pages" program.
----------------------------------------------------------------------- */
FoundBarcode[] barcodes = reader.ReadFrom("example.pdf");
foreach (FoundBarcode barcode in barcodes)
{
Console.WriteLine("Found barcode with type '{0}' and value '{1}' on page {2} at {3}",
barcode.Type, barcode.Value, barcode.Page, barcode.Rect);
}
// Cleanup
reader.Dispose();
Console.WriteLine();
Console.WriteLine("Press any key to continue.");
Console.ReadKey();
}
}
}
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