ByteScout Barcode Reader SDK - VB.NET - Decoding barcodes from PDF by pages - ByteScout

ByteScout Barcode Reader SDK – VB.NET – Decoding barcodes from PDF by pages

  • Home
  • /
  • Articles
  • /
  • ByteScout Barcode Reader SDK – VB.NET – Decoding barcodes from PDF by pages

How to Decoding barcodes from PDF by pages in VB.NET and ByteScout BarCode Reader SDK

The tutorial shows how to Decoding barcodes from PDF by pages in VB.NET

ByteScout tutorials are designed to explain the code for both VB.NET beginners and advanced programmers. 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 Decoding barcodes from PDF by pages in VB.NET.

VB.NET code samples for VB.NET developers help to speed up coding of your application when using ByteScout BarCode Reader SDK. This VB.NET sample code is all you need for your app. Just copy and paste the code, add references (if needs to) and you are all set! Enjoy writing a code with ready-to-use sample codes in VB.NET.

Free trial version of ByteScout BarCode Reader SDK is available on our website. Documentation and source code samples are included.

Try it today: Get 60 Day Free Trial or sign up for Web API

BarcodesFromPDF.VS2005.vbproj
      
<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>BarcodesFromPDF</RootNamespace> <AssemblyName>BarcodesFromPDF</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>

Try it today: Get 60 Day Free Trial or sign up for Web API

BarcodesFromPDF.VS2008.vbproj
      
<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>BarcodesFromPDF</RootNamespace> <AssemblyName>BarcodesFromPDF</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>

Try it today: Get 60 Day Free Trial or sign up for Web API

BarcodesFromPDF.VS2010.vbproj
      
<?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>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> <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>

Try it today: Get 60 Day Free Trial or sign up for Web API

Program.vb
      
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 filename Dim fileName As String = "example.pdf" ' Pages from which barcodes to be fetched Dim readFromPages() As Int32 = {1, 2} For Each pageNo As Int32 In readFromPages Console.WriteLine(Environment.NewLine + "Reading barcodes from PDF page {0}...", pageNo) ' Decoding barcodes from PDF on page-by-page basis instead of reading whole page Dim barcodes As FoundBarcode() = reader.ReadFrom(fileName, (pageNo - 1)) ' Found results For Each barcode As FoundBarcode In barcodes Console.WriteLine("Found Barcode, Type: '{0}', Value: '{1}', Position: {2}", barcode.Type, barcode.Value, barcode.Rect) Next Next ' Cleanup reader.Dispose() Console.WriteLine() Console.WriteLine("Press any key to continue.") Console.ReadKey() End Sub End Class

Try it today: Get 60 Day Free Trial or sign up for Web API

MORE INFORMATION

Get 60 Day Free Trial or Visit ByteScout BarCode Reader SDK page

Explore ByteScout BarCode Reader SDK documentation

WEB API VERSION

Sign Up for free Web API key

Explore Web API Documentation

Tutorials:

prev
next