Important Update
Source code documentation samples provide quick and easy way to add a required functionality into your application. ByteScout BarCode Reader SDK is the SDK for reading of barcodes from PDF, images and live camera or video. Almost every common type like Code 39, Code 128, GS1, UPC, QR Code, Datamatrix, PDF417 and many others are supported. Supports noisy and defective images and docs. Includes optional documents splitter and merger for pdf and tiff based on found barcodess. Batch mode is supported for superior performance using multiple threads. Decoded values are easily exported to JSON, CSV, XML and to custom format. It can be used to decode page by page from PDF using C#.
This code snippet below for ByteScout BarCode Reader SDK works best when you need to quickly decode page by page from PDF in your C# application. 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. Enjoy writing a code with ready-to-use sample codes in C#.
ByteScout free trial version is available for download from our website. It includes all these programming tutorials along with source code samples.
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<?xml version="1.0" encoding="utf-8"?>
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>netcoreapp2.0</TargetFramework>
<EnableDefaultCompileItems>false</EnableDefaultCompileItems>
<GenerateAssemblyCompanyAttribute>false</GenerateAssemblyCompanyAttribute>
<GenerateAssemblyConfigurationAttribute>false</GenerateAssemblyConfigurationAttribute>
<GenerateAssemblyFileVersionAttribute>false</GenerateAssemblyFileVersionAttribute>
<GenerateAssemblyInformationalVersionAttribute>false</GenerateAssemblyInformationalVersionAttribute>
<GenerateAssemblyProductAttribute>false</GenerateAssemblyProductAttribute>
<GenerateAssemblyTitleAttribute>false</GenerateAssemblyTitleAttribute>
<GenerateAssemblyVersionAttribute>false</GenerateAssemblyVersionAttribute>
<GenerateAssemblyCopyrightAttribute>false</GenerateAssemblyCopyrightAttribute>
<GenerateAssemblyTrademarkAttribute>false</GenerateAssemblyTrademarkAttribute>
<GenerateAssemblyCultureAttribute>false</GenerateAssemblyCultureAttribute>
<GenerateAssemblyDescriptionAttribute>false</GenerateAssemblyDescriptionAttribute>
</PropertyGroup>
<ItemGroup>
<Compile Include="Program.cs" />
<None Include="example.pdf">
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
</None>
</ItemGroup>
<ItemGroup>
<PackageReference Include="Microsoft.Windows.Compatibility" Version="2.0.0" />
</ItemGroup>
<ItemGroup>
<Reference Include="Bytescout.BarCodeReader">
<SpecificVersion>False</SpecificVersion>
<HintPath>c:\Program Files\Bytescout BarCode Reader SDK\netcoreapp2.0\Bytescout.BarCodeReader.dll</HintPath>
</Reference>
</ItemGroup>
</Project>
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<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProductVersion>
</ProductVersion>
<SchemaVersion>2.0</SchemaVersion>
<ProjectGuid>{152D91ED-9533-49A6-9433-0037FA578D4F}</ProjectGuid>
<OutputType>Exe</OutputType>
<RootNamespace>BarcodesFromPDF</RootNamespace>
<AssemblyName>BarcodesFromPDF</AssemblyName>
<OldToolsVersion>3.5</OldToolsVersion>
<TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<Optimize>false</Optimize>
<OutputPath>bin\Debug\</OutputPath>
<DefineConstants>DEBUG;TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
<DebugType>pdbonly</DebugType>
<Optimize>true</Optimize>
<OutputPath>bin\Release\</OutputPath>
<DefineConstants>TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<ItemGroup>
<Reference Include="Bytescout.BarCodeReader, Version=8.20.0.1340, Culture=neutral, PublicKeyToken=f7dd1bd9d40a50eb, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>C:\Program Files\Bytescout BarCode Reader SDK\net4.00\Bytescout.BarCodeReader.dll</HintPath>
</Reference>
<Reference Include="System" />
<Reference Include="System.Data" />
<Reference Include="System.Drawing" />
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="Program.cs" />
</ItemGroup>
<ItemGroup>
<None Include="example.pdf">
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
</None>
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
Other similar extension points exist, see Microsoft.Common.targets.
<Target Name="BeforeBuild">
</Target>
<Target Name="AfterBuild">
</Target>
-->
</Project>
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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;
// Input filename
string fileName = "example.pdf";
// Pages from which barcodes to be fetched
int[] readFromPages = { 1, 2 };
foreach (var pageNo in readFromPages)
{
Console.WriteLine("\n\nReading barcodes from PDF page {0}...", pageNo);
// Decoding barcodes from PDF on page-by-page basis instead of reading whole page
FoundBarcode[] barcodes = reader.ReadFrom(fileName, (pageNo - 1));
// Found results
foreach (FoundBarcode barcode in barcodes)
{
Console.WriteLine("Found Barcode, Type: '{0}', Value: '{1}', Position: {2}",
barcode.Type, barcode.Value, barcode.Rect);
}
}
// Cleanup
reader.Dispose();
Console.WriteLine();
Console.WriteLine("Press any key to continue.");
Console.ReadKey();
}
}
}
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