Example code is for an older version of WebGrabber, newer code is available.
' Copyright (c) 2019 ActivePDF, Inc.
' ActivePDF WebGrabber 2016
' Example generated 07/19/19
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, results As WebGrabberDK.Results.WebGrabberResult
strPath = AppDomain.CurrentDomain.BaseDirectory
' Instantiate Object
Dim oWG As APWebGrabber.WebGrabber = New APWebGrabber.WebGrabber()
' Set the quality options for the created PDF (IE engine only)
' For custom settings to take effect set the configuration to custom
oWG.PredefinedSetting = ADK.PostScript.PredefinedConfiguration.Custom
' Specifies if ASCII85 encoding should be applied to binary streams
oWG.ASCIIEncode = true
' Automatically control the page orientation based on text flow
oWG.AutoRotate = true
' Specifies if CMYK colors should be converted to RGB
oWG.ConvertCMYKToRGB = true
' Set the DPI for the created PDF
oWG.Resolution = 300.0
' Color Image Quality Settings
oWG.ColorImageDownsampleThreshold = 1
oWG.ColorImageDownsampleType = ADK.PostScript.Images.DownsampleOption.None
oWG.ColorImageFilter = ADK.PostScript.Images.CompressionOption.FlateEncode
oWG.ColorImageResolution = 72
' Gray Image Quality Settings
oWG.GrayImageDownsampleThreshold = 1
oWG.GrayImageDownsampleType = ADK.PostScript.Images.DownsampleOption.None
oWG.GrayImageFilter = ADK.PostScript.Images.CompressionOption.FlateEncode
oWG.GrayImageResolution = 72
' Monochrome Image Quality Settings
oWG.MonoImageDownsampleThreshold = 1
oWG.MonoImageDownsampleType = ADK.PostScript.Images.DownsampleOption.None
oWG.MonoImageFilter = ADK.PostScript.Images.MonochromeCompression.FlateEncode
oWG.MonoImageResolution = 72
' Enable extra logging (logging should only be used while troubleshooting)
' C:\ProgramData\activePDF\Logs\
oWG.Debug = true
' Fast web view
oWG.LinearizePDF = true
' Time to wait for conversion to complete (in seconds)
' Set the amount of time before a request will time out
oWG.TimeoutSpan = new TimeSpan(0, 0, 40)
' Margins (Top, Bottom, Left, Right) 1.0 = 1"
oWG.SetMargins(0.75, 0.75, 0.75, 0.75)
' 0 = Portrait, 1 = Landscape
oWG.Orientation = 0
' Rendering engine used for the HTML
' 0 = Native, 1 = IE
oWG.EngineToUse = APWebGrabberInterface.ConversionEngine.IE
' Convert the HTML background (IE engine only)
oWG.PrintBackground = true
' PDF output location and filename
oWG.OutputDirectory = strPath
oWG.NewDocumentName = "quality.pdf"
' HTML to convert
' Examples:
' http://domain.com/path/file.aspx
' c:\folder\file.html
oWG.URL = "http://examples.activepdf.com/samples/doc"
' Perform the HTML to PDF conversion
results = oWG.ConvertToPDF()
If results.WebGrabberStatus <> WebGrabberDK.Results.WebGrabberStatus.Success Then
ErrorHandler("ConvertToPDF", results, results.WebGrabberStatus.ToString())
End If
' Release Object
oWG = Nothing
' Process Complete
WriteResults("Done!")
End Sub
' Error Handling
Sub ErrorHandler(ByVal strMethod As String, ByVal results As ADK.Results.Result, ByVal errorStatus As String)
WriteResults("Error with " + strMethod)
WriteResults(errorStatus)
WriteResults(results.Details)
If results.Origin.Function <> strMethod Then
WriteResults(results.Origin.Class + "." + results.Origin.Function)
End If
If Not results.ResultException Is Nothing Then
' To view the stack trace on an exception uncomment the line below
'WriteResults(results.ResultException.StackTrace)
End If
Environment.Exit(1)
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
