Example code is for an older version of Toolkit, newer code is available.
' Copyright (c) 2021 ActivePDF, Inc.
' ActivePDF Toolkit 2017
' Example generated 03/02/21
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 certID As Integer, CreateCertResult As Integer, strPath As String, intSignExistingField As Integer
strPath = AppDomain.CurrentDomain.BaseDirectory
' Instantiate Object
Dim oTK As APToolkitNET.Toolkit = New APToolkitNET.Toolkit()
' Find certificate, if it doesn't exist it will be created
' If you have an existing signature you can find it with FindCertificate
' and remove the portion of code that creates the certificate
certID = oTK.FindCertificate("John Doe", "My", 0)
If certID < 1 Then
' Certificate not found, create a certificate with Toolkit
CreateCertResult = oTK.CreateCertificate("John Doe", "Management", "Doe Enterprises", "Mission Viejo", "CA", "US", "john@doee.com", 0, "My", 365, 0, "", "")
If CreateCertResult = 1 Then
' New certificate created, find it for use
certID = oTK.FindCertificate("John Doe", "My", 0)
If certID < 1 Then
ErrorHandler("FindCertificate", certID)
End If
Else
' Create certificate failed
ErrorHandler("CreateCertificate", CreateCertResult)
End If
End If
' Sign an existing PDF containing a signature field
intSignExistingField = oTK.SignExistingField(certID, strPath & "PDF(sigfield).pdf", strPath & "new.pdf", "SigField", "Mission Viejo, CA", "Security", "949-555-1212", "", 8, "Signed Document", "Helvetica", 12.0, 1)
If intSignExistingField <> 0 Then
ErrorHandler("SignExistingField", intSignExistingField)
End If
' 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
