RPA Robotic Process Automation – Parse Invoice – VB.NET

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RPA Robotic Process Automation – Parse Invoice – VB.NET

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ByteScout-Robotic-Process-Automation-VB-NET-VB-NET.pdf

How to parse invoice in VB.NET with ByteScout Robotic Process Automation

ByteScout Robotic Process Automation is set of integrated APIs for quick replaccement of manual data processing with robotic process automations.

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InvoiceParsing.VS2005.vbproj

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InvoiceParsing.VS2008.vbproj

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InvoiceParsing.VS2010.vbproj

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InvoiceParsing.VS2012.vbproj

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InvoiceParsing.VS2013.vbproj

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  <Target Name="AfterBuild">
  </Target>
  -->
</Project>

InvoiceParsing.VS2015.vbproj

      <?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
  <PropertyGroup>
    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
    <ProjectGuid>{3035D0B9-6453-4C07-9D4E-638B1052E70C}</ProjectGuid>
    <OutputType>Exe</OutputType>
    <StartupObject>InvoiceParsing.Module1</StartupObject>
    <RootNamespace>InvoiceParsing</RootNamespace>
    <AssemblyName>InvoiceParsing</AssemblyName>
    <FileAlignment>512</FileAlignment>
    <MyType>Console</MyType>
    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
    <PlatformTarget>AnyCPU</PlatformTarget>
    <DebugSymbols>true</DebugSymbols>
    <DebugType>full</DebugType>
    <DefineDebug>true</DefineDebug>
    <DefineTrace>true</DefineTrace>
    <OutputPath>bin\Debug\</OutputPath>
    <DocumentationFile>InvoiceParsing.xml</DocumentationFile>
    <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
    <PlatformTarget>AnyCPU</PlatformTarget>
    <DebugType>pdbonly</DebugType>
    <DefineDebug>false</DefineDebug>
    <DefineTrace>true</DefineTrace>
    <Optimize>true</Optimize>
    <OutputPath>bin\Release\</OutputPath>
    <DocumentationFile>InvoiceParsing.xml</DocumentationFile>
    <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
  </PropertyGroup>
  <PropertyGroup>
    <OptionExplicit>On</OptionExplicit>
  </PropertyGroup>
  <PropertyGroup>
    <OptionCompare>Binary</OptionCompare>
  </PropertyGroup>
  <PropertyGroup>
    <OptionStrict>Off</OptionStrict>
  </PropertyGroup>
  <PropertyGroup>
    <OptionInfer>On</OptionInfer>
  </PropertyGroup>
  <ItemGroup>
    <Reference Include="Bytescout.PDFExtractor, Version=6.30.0.2431, Culture=neutral, PublicKeyToken=f7dd1bd9d40a50eb, processorArchitecture=MSIL">
      <SpecificVersion>False</SpecificVersion>
      <HintPath>C:\Program Files\Bytescout PDF Extractor SDK\net2.00\Bytescout.PDFExtractor.dll</HintPath>
    </Reference>
    <Reference Include="System" />
    <Reference Include="System.Data" />
    <Reference Include="System.Deployment" />
    <Reference Include="System.Drawing" />
    <Reference Include="System.Xml" />
  </ItemGroup>
  <ItemGroup>
    <Import Include="Microsoft.VisualBasic" />
    <Import Include="System" />
    <Import Include="System.Collections" />
    <Import Include="System.Collections.Generic" />
    <Import Include="System.Data" />
    <Import Include="System.Diagnostics" />
  </ItemGroup>
  <ItemGroup>
    <Compile Include="Module1.vb" />
    <Compile Include="My Project\AssemblyInfo.vb" />
    <Compile Include="My Project\Application.Designer.vb">
      <AutoGen>True</AutoGen>
      <DependentUpon>Application.myapp</DependentUpon>
    </Compile>
    <Compile Include="My Project\Resources.Designer.vb">
      <AutoGen>True</AutoGen>
      <DesignTime>True</DesignTime>
      <DependentUpon>Resources.resx</DependentUpon>
    </Compile>
    <Compile Include="My Project\Settings.Designer.vb">
      <AutoGen>True</AutoGen>
      <DependentUpon>Settings.settings</DependentUpon>
      <DesignTimeSharedInput>True</DesignTimeSharedInput>
    </Compile>
  </ItemGroup>
  <ItemGroup>
    <EmbeddedResource Include="My Project\Resources.resx">
      <Generator>VbMyResourcesResXFileCodeGenerator</Generator>
      <LastGenOutput>Resources.Designer.vb</LastGenOutput>
      <CustomToolNamespace>My.Resources</CustomToolNamespace>
      <SubType>Designer</SubType>
    </EmbeddedResource>
  </ItemGroup>
  <ItemGroup>
    <Content Include="Invoice.pdf">
      <Link>Invoice.pdf</Link>
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </Content>
    <None Include="My Project\Application.myapp">
      <Generator>MyApplicationCodeGenerator</Generator>
      <LastGenOutput>Application.Designer.vb</LastGenOutput>
    </None>
    <None Include="My Project\Settings.settings">
      <Generator>SettingsSingleFileGenerator</Generator>
      <CustomToolNamespace>My</CustomToolNamespace>
      <LastGenOutput>Settings.Designer.vb</LastGenOutput>
    </None>
  </ItemGroup>
  <Import Project="$(MSBuildToolsPath)\Microsoft.VisualBasic.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>

Module1.vb

      Imports System.Drawing
Imports Bytescout.PDFExtractor

Module Module1

    Sub Main()

        ' Create TextExtractor instance
        Dim textExtractor = New TextExtractor("demo", "demo")
        textExtractor.WordMatchingMode = WordMatchingMode.ExactMatch ' Set exact search (default is SmartSearch that works like in Adobe Reader)

        ' Create XMLExtractor instance
        Dim xmlExtractor = New XMLExtractor("demo", "demo")

        ' Load document
        textExtractor.LoadDocumentFromFile("Invoice.pdf")
        xmlExtractor.LoadDocumentFromFile("Invoice.pdf")

        ' Results
        Dim invoiceNo = String.Empty
        Dim invoiceDate = String.Empty
        Dim total = String.Empty
        Dim tableData = String.Empty

        ' Iterate pages
        For i As Integer = 0 To textExtractor.GetPageCount() - 1

            Dim pageRectangle = textExtractor.GetPageRectangle(i)
            Dim tableRect = New RectangleF(0, 0, pageRectangle.Width, 0)

            ' Search for "Invoice No."
            If textExtractor.Find(i, "Invoice No.", False) Then
                ' Get the found text rectangle
                Dim textRect = textExtractor.FoundText.Bounds
                ' Assume the text at right is the invoice number.
                ' Shift the rectangle to the right:
                textRect.X = textRect.Right
                textRect.Width = pageRectangle.Right - textRect.Left
                ' Set the extraction region and extract the text
                textExtractor.SetExtractionArea(textRect)
                invoiceNo = textExtractor.GetTextFromPage(i).Trim()
            End If

            ' Search for "Invoice Date" and extract text at right
            If textExtractor.Find(i, "Invoice Date", False) Then
                Dim textRect = textExtractor.FoundText.Bounds
                textRect.X = textRect.Right
                textRect.Width = pageRectangle.Right - textRect.Left
                textExtractor.SetExtractionArea(textRect)
                invoiceDate = textExtractor.GetTextFromPage(i).Trim()
            End If

            ' Search for "Quantity" keyword to detect the top of the tabular data rectangle
            If textExtractor.Find(i, "Quantity", False) Then
                ' Keep the top table coordinate
                tableRect.Y = textExtractor.FoundText.Bounds.Top ' use textRect.Bottom if you want to skip column headers
            End If

            ' Search and extract "TOTAL" (it will be also the bottom of tabular data rectangle)
            If textExtractor.Find(i, "TOTAL", True) Then ' case sensitive! 

                Dim textRect = textExtractor.FoundText.Bounds
                textRect.X = textRect.Right
                textRect.Width = pageRectangle.Right - textRect.Left
                textExtractor.SetExtractionArea(textRect)
                total = textExtractor.GetTextFromPage(i).Trim()

                ' Calculate the table height
                tableRect.Height = textRect.Top - tableRect.Top
            End If

            ' Extract tabular data using XMLExtractor
            If tableRect.Height > 0 Then
                xmlExtractor.SetExtractionArea(tableRect)
                tableData = xmlExtractor.GetXMLFromPage(i)
            End If
        Next

        ' Display extracted data
        Console.WriteLine("Invoice No.: " + invoiceNo)
        Console.WriteLine("Invoice Date: " + invoiceDate)
        Console.WriteLine("TOTAL: " + total)
        Console.WriteLine("Table Data: ")
        Console.WriteLine(tableData)

        Console.WriteLine("Press any key...")
        Console.ReadKey()

    End Sub

End Module