Important Update
ByteScout BarCode Reader SDK: the barcode decoder with support for code 39, code 128, QR Code, Datamatrix, GS1, PDF417 and all other popular barcodes. Can read barcodes from images, pdf, tiff documents and live web camera. Supports noisy and damaged documents, can split and merge pdf and tiff documents based on barcodes. Can export barcode decoder results to XML, JSON, CSV and into custom data structures.
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Imports Bytescout.BarCodeReader
Class Program
Friend Shared Sub Main(args As String())
Dim reader As 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 barcode document
Dim inputDocument As String = "example.pdf"
Console.WriteLine("First Attempt - Reading barcodes from PDF document...")
Dim foundBarcodesFirstAttempt As FoundBarcode() = GetBarcodes(reader, inputDocument)
If Not foundBarcodesFirstAttempt Is Nothing AndAlso foundBarcodesFirstAttempt.Length > 0 Then
DisplayBarcodeResult(foundBarcodesFirstAttempt)
Else
Console.WriteLine("No Barccodes found...")
' Try Second attempt
Console.WriteLine(Environment.NewLine + Environment.NewLine + "Second Attempt - Reading barcodes from PDF document...")
' Change PDF rendering resolution
reader.PDFRenderingResolution = 150
' Get found barcodes
Dim foundBarcodesSecondAttempt As FoundBarcode() = GetBarcodes(reader, inputDocument)
If Not foundBarcodesSecondAttempt Is Nothing AndAlso foundBarcodesSecondAttempt.Length > 0 Then
DisplayBarcodeResult(foundBarcodesSecondAttempt)
End If
End If
' Cleanup
reader.Dispose()
Console.WriteLine()
Console.WriteLine("Press any key to continue.")
Console.ReadKey()
End Sub
''' <summary>
''' Get Barcodes
''' </summary>
Shared Function GetBarcodes(reader As Reader, inputDocument As String) As FoundBarcode()
' -----------------------------------------------------------------------
' NOTE: We can read barcodes from specific page to increase performance .
' For sample please refer to "Decoding barcodes from PDF by pages" program.
' -----------------------------------------------------------------------
Return reader.ReadFrom(inputDocument)
End Function
''' <summary>
''' Display found barcodes
''' </summary>
Shared Sub DisplayBarcodeResult(foundBarcodes As FoundBarcode())
For Each barcode As FoundBarcode In foundBarcodes
Console.WriteLine("Found barcode with type '{0}' and value '{1}' at page {2} at {3}", barcode.Type, barcode.Value, barcode.Page, barcode.Rect.ToString())
Next
End Sub
End Class
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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.vb" />
<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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<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProductVersion>8.0.50727</ProductVersion>
<SchemaVersion>2.0</SchemaVersion>
<ProjectGuid>{5F17DE51-EC94-4A5A-AF58-C4876D4BA652}</ProjectGuid>
<OutputType>Exe</OutputType>
<RootNamespace>TwoPassDecoding</RootNamespace>
<AssemblyName>TwoPassDecoding</AssemblyName>
</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>
<Import Project="$(MSBuildBinPath)\Microsoft.VisualBasic.Targets" />
<ItemGroup>
<Import Include="Microsoft.VisualBasic" />
<Import Include="System" />
<Reference Include="Bytescout.BarCodeReader, Version=8.20.0.1340, Culture=neutral, PublicKeyToken=f7dd1bd9d40a50eb, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>C:\Program Files\Bytescout BarCode Reader SDK\net2.00\Bytescout.BarCodeReader.dll</HintPath>
</Reference>
<Reference Include="System" />
<Reference Include="System.Data" />
<Reference Include="System.Drawing" />
<Reference Include="System.Xml" />
<Compile Include="Program.vb" />
<Content Include="example.pdf">
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
</Content>
</ItemGroup>
</Project>
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<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="3.5">
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProductVersion>9.0.30729</ProductVersion>
<SchemaVersion>2.0</SchemaVersion>
<ProjectGuid>{5F17DE51-EC94-4A5A-AF58-C4876D4BA652}</ProjectGuid>
<OutputType>Exe</OutputType>
<RootNamespace>TwoPassDecoding</RootNamespace>
<AssemblyName>TwoPassDecoding</AssemblyName>
<OldToolsVersion>2.0</OldToolsVersion>
<TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
</PropertyGroup>
<PropertyGroup Condition=" '$(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)|$(Platform)' == 'Release|AnyCPU' ">
<DebugType>pdbonly</DebugType>
<Optimize>true</Optimize>
<OutputPath>bin\Release\</OutputPath>
<DefineConstants>TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.VisualBasic.Targets" />
<ItemGroup>
<Import Include="Microsoft.VisualBasic" />
<Import Include="System" />
<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\net3.50\Bytescout.BarCodeReader.dll</HintPath>
</Reference>
<Reference Include="System" />
<Reference Include="System.Data" />
<Reference Include="System.Drawing" />
<Reference Include="System.Xml" />
<Compile Include="Program.vb" />
<Content Include="example.pdf">
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
</Content>
</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>{5F17DE51-EC94-4A5A-AF58-C4876D4BA652}</ProjectGuid>
<OutputType>Exe</OutputType>
<RootNamespace>TwoPassDecoding</RootNamespace>
<AssemblyName>TwoPassDecoding</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>
<Import Project="$(MSBuildToolsPath)\Microsoft.VisualBasic.Targets" />
<ItemGroup>
<Import Include="Microsoft.VisualBasic" />
<Import Include="System" />
<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" />
<Compile Include="Program.vb" />
<Content Include="example.pdf">
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
</Content>
</ItemGroup>
</Project>
60 Day Free Trial or Visit ByteScout BarCode Reader SDK Home Page
Explore ByteScout BarCode Reader SDK Documentation
Explore Samples
Sign Up for ByteScout BarCode Reader SDK Online Training
Get Your API Key
Explore Web API Docs
Explore Web API Samples
60 Day Free Trial or Visit ByteScout BarCode Reader SDK Home Page
Explore ByteScout BarCode Reader SDK Documentation
Explore Samples
Sign Up for ByteScout BarCode Reader SDK Online Training
Get Your API Key
Explore Web API Docs
Explore Web API Samples