Example code is for an older version of Toolkit, newer code is available.
' Copyright (c) 2021 ActivePDF, Inc.
' ActivePDF Toolkit 2017
' Example generated 04/19/21
Imports System
' Make sure to add the ActivePDF product .NET DLL(s) to your application.
' .NET DLL(s) are typically found in the products 'bin' folder.
Public Class Examples
Sub Example()
Dim strPath As String, intOpenInputFile As Integer, strFieldInfo As String, longFieldInfo As Integer, _
floatFieldInfo As Single
strPath = AppDomain.CurrentDomain.BaseDirectory
' Instantiate Object
Dim oTK As APToolkitNET.Toolkit = New APToolkitNET.Toolkit()
' Open the PDF to read from
intOpenInputFile = oTK.OpenInputFile(strPath & "xmpfields.pdf")
If intOpenInputFile <> 0 Then
ErrorHandler("OpenInputFile", intOpenInputFile)
End If
' Get the reference to the XMP object
Dim oXMP As APToolkitNET.XMPManager = oTK.GetXMPManager()
' Get a field instances from the XMP data
Dim oXMPField As APToolkitNET.XMPFieldInfo = oXMP.GetXMPFieldInfo("name")
' Get field properties and write them out
strFieldInfo = oXMPField.Name
WriteResults(strFieldInfo)
strFieldInfo = oXMPField.Type
WriteResults(strFieldInfo)
strFieldInfo = oXMPField.Value
WriteResults(strFieldInfo)
longFieldInfo = oXMPField.Instance
WriteResults(longFieldInfo)
longFieldInfo = oXMPField.PageNum
WriteResults(longFieldInfo)
' Bottom left of the field with the height and width
floatFieldInfo = oXMPField.LLX
WriteResults(floatFieldInfo)
floatFieldInfo = oXMPField.LLY
WriteResults(floatFieldInfo)
floatFieldInfo = oXMPField.Width
WriteResults(floatFieldInfo)
floatFieldInfo = oXMPField.Height
WriteResults(floatFieldInfo)
' Combo box or list box items list count
' count will be 0 for other field types
longFieldInfo = oXMPField.ItemsSize
WriteResults(longFieldInfo)
' For options available to dropdown fields
strFieldInfo = oXMPField.GetDisplayValue(1)
WriteResults(strFieldInfo)
strFieldInfo = oXMPField.GetExportValue(1)
WriteResults(strFieldInfo)
' Close the input file
oTK.CloseInputFile()
' Release Object
oTK.Dispose()
' Process Complete
WriteResults("Done!")
End Sub
' Error Handling
' Error messages written to debug output
Sub ErrorHandler(ByVal strMethod, ByVal RtnCode)
WriteResults(strMethod + " error: " + rtnCode.ToString())
End Sub
' Write output data
Sub WriteResults(content As String)
' Choose where to write out results
' Debug output
'System.Diagnostics.Debug.WriteLine("ActivePDF: * " + content)
' Console
Console.WriteLine(content)
' Log file
'Using tw = New System.IO.StreamWriter(AppDomain.CurrentDomain.BaseDirectory & "application.log", True)
' tw.WriteLine("[" + DateTime.Now.ToString("MM/dd/yyyy HH:mm:ss") + "]: => " + content)
'End Using
End Sub
End Class
