Extract Filled PDF Form Data - VB.NET
PDF Extractor SDK sample in VB.NET demonstrating ‘Extract Filled PDF Form Data’
Module1.vb
Imports Bytescout.PDFExtractor
Imports System.Xml
Module Module1
Sub Main()
' Create XMLExtractor instance
Dim extractor As XMLExtractor = New XMLExtractor()
extractor.RegistrationName = "demo"
extractor.RegistrationKey = "demo"
' Load sample PDF document
extractor.LoadDocumentFromFile(".\filled_form.pdf")
' Get PDF document text as XML
Dim xmlText As String = extractor.GetXML()
' Load XML
Dim xmlDocument As XmlDocument = New XmlDocument()
XmlDocument.LoadXml(XmlText)
' Select all "control" nodes
Dim formControls As XmlNodeList = xmlDocument.SelectNodes("//control")
If (formControls IsNot Nothing) Then
For Each formControl As XmlNode In formControls
Dim typeAttribute = formControl.Attributes("type")
If (typeAttribute.Value = "editbox") Then
' Show filled textboxes
If (Not String.IsNullOrEmpty(formControl.InnerText)) Then
Console.WriteLine("EDITBOX " + formControl.Attributes("id").Value + ": " + formControl.InnerText)
End If
ElseIf (typeAttribute.Value = "checkbox") Then
' Show checked checkboxes
If (formControl.Attributes("state").Value = "1") Then
Console.WriteLine("CHECKBOX " + formControl.Attributes("id").Value + ": " + formControl.Attributes("state").Value)
End If
End If
Next formControl
End If
' Cleanup
extractor.Dispose()
Console.WriteLine()
Console.WriteLine("Press any key...")
Console.ReadKey()
End Sub
End Module
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Resources.Designer.vb
��'------------------------------------------------------------------------------
' <auto-generated>
' This code was generated by a tool.
' Runtime Version:4.0.30319.34209
'
' Changes to this file may cause incorrect behavior and will be lost if
' the code is regenerated.
' </auto-generated>
'------------------------------------------------------------------------------
Option Strict On
Option Explicit On
Namespace My.Resources
'This class was auto-generated by the StronglyTypedResourceBuilder
'class via a tool like ResGen or Visual Studio.
'To add or remove a member, edit your .ResX file then rerun ResGen
'with the /str option, or rebuild your VS project.
'''<summary>
''' A strongly-typed resource class, for looking up localized strings, etc.
'''</summary>
<Global.System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0"), _
Global.System.Diagnostics.DebuggerNonUserCodeAttribute(), _
Global.System.Runtime.CompilerServices.CompilerGeneratedAttribute(), _
Global.Microsoft.VisualBasic.HideModuleNameAttribute()> _
Friend Module Resources
Private resourceMan As Global.System.Resources.ResourceManager
Private resourceCulture As Global.System.Globalization.CultureInfo
'''<summary>
''' Returns the cached ResourceManager instance used by this class.
'''</summary>
<Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)> _
Friend ReadOnly Property ResourceManager() As Global.System.Resources.ResourceManager
Get
If Object.ReferenceEquals(resourceMan, Nothing) Then
Dim temp As Global.System.Resources.ResourceManager = New Global.System.Resources.ResourceManager("ExtractFilledFormData.Resources", GetType(Resources).Assembly)
resourceMan = temp
End If
Return resourceMan
End Get
End Property
'''<summary>
''' Overrides the current thread's CurrentUICulture property for all
''' resource lookups using this strongly typed resource class.
'''</summary>
<Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)> _
Friend Property Culture() As Global.System.Globalization.CultureInfo
Get
Return resourceCulture
End Get
Set(ByVal value As Global.System.Globalization.CultureInfo)
resourceCulture = value
End Set
End Property
End Module
End Namespace
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Settings.Designer.vb
��'------------------------------------------------------------------------------
' <auto-generated>
' This code was generated by a tool.
' Runtime Version:4.0.30319.34209
'
' Changes to this file may cause incorrect behavior and will be lost if
' the code is regenerated.
' </auto-generated>
'------------------------------------------------------------------------------
Option Strict On
Option Explicit On
Namespace My
<Global.System.Runtime.CompilerServices.CompilerGeneratedAttribute(), _
Global.System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "10.0.0.0"), _
Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)> _
Partial Friend NotInheritable Class MySettings
Inherits Global.System.Configuration.ApplicationSettingsBase
Private Shared defaultInstance As MySettings = CType(Global.System.Configuration.ApplicationSettingsBase.Synchronized(New MySettings), MySettings)
#Region "My.Settings Auto-Save Functionality"
#If _MyType = "WindowsForms" Then
Private Shared addedHandler As Boolean
Private Shared addedHandlerLockObject As New Object
<Global.System.Diagnostics.DebuggerNonUserCodeAttribute(), Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)> _
Private Shared Sub AutoSaveSettings(ByVal sender As Global.System.Object, ByVal e As Global.System.EventArgs)
If My.Application.SaveMySettingsOnExit Then
My.Settings.Save()
End If
End Sub
#End If
#End Region
Public Shared ReadOnly Property [Default]() As MySettings
Get
#If _MyType = "WindowsForms" Then
If Not addedHandler Then
SyncLock addedHandlerLockObject
If Not addedHandler Then
AddHandler My.Application.Shutdown, AddressOf AutoSaveSettings
addedHandler = True
End If
End SyncLock
End If
#End If
Return defaultInstance
End Get
End Property
End Class
End Namespace
Namespace My
<Global.Microsoft.VisualBasic.HideModuleNameAttribute(), _
Global.System.Diagnostics.DebuggerNonUserCodeAttribute(), _
Global.System.Runtime.CompilerServices.CompilerGeneratedAttribute()> _
Friend Module MySettingsProperty
<Global.System.ComponentModel.Design.HelpKeywordAttribute("My.Settings")> _
Friend ReadOnly Property Settings() As Global.ExtractFilledFormData.My.MySettings
Get
Return Global.ExtractFilledFormData.My.MySettings.Default
End Get
End Property
End Module
End Namespace
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