Example code is for an older version of Toolkit, newer code is available.
' Copyright (c) 2021 ActivePDF, Inc.
' ActivePDF Toolkit 2017
' Example generated 01/18/21
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, strPropertyValue As String
strPath = AppDomain.CurrentDomain.BaseDirectory
' Instantiate Object
Dim oTK As APToolkitNET.Toolkit = New APToolkitNET.Toolkit()
' Open the PDF to read from
intOpenInputFile = oTK.OpenInputFile(strPath & "XMPproperties.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 document property
strPropertyValue = oXMP.GetDocumentProperty(APToolkitNET.XMPProperty.Author)
WriteResults(strPropertyValue)
' Get a custom property
strPropertyValue = oXMP.GetCustomProperty("example")
WriteResults(strPropertyValue)
' Set the namespace for the user property
oXMP.SetNamespace("dc", "http://purl.org/dc/elements/1.1/")
' Get a user property
strPropertyValue = oXMP.GetUserProperty("contributor")
WriteResults(strPropertyValue)
' 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
