How to convert HTML files to PDF files and combine several PDF files into one PDF file?

On the 64bit windows server 2008 system, we suggest you may use htmltools.exe to instead of "Doc Convertor", htmltools.exe is work better than "Doc Convertor" on 64bit system.

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You can download and purchase "HTML Converter Command Line (htmltools.exe)" from following web page,

http://www.verypdf.com/app/html-converter/try-and-buy.html#cmd
http://www.verypdf.com/htmltools/htmltools.zip

Please by following steps to combine several HTML files into one PDF file,

1. Please call htmltools.exe to convert each HTML file or Web URL to PDF file first, e.g.,

htmltools.exe -webkit D:\test1.html D:\1.pdf
htmltools.exe -webkit D:\test2.html D:\2.pdf
htmltools.exe -webkit D:\test3.html D:\3.pdf
htmltools.exe -webkit D:\test4.html D:\4.pdf

2. You can call htmltools.exe to combine these PDF files into one PDF file, e.g.

htmltools.exe -mergepdf "D:\1.pdf|D:\2.pdf|D:\3.pdf|D:\4.pdf" C:\out.pdf

3. Delete all temporary PDF files,

You can call htmltools.exe from your VB.NET code easily,
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ShellandWait("D:\VeryPDF\htmltools.exe", "-webkit D:\test1.html D:\1.pdf")
ShellandWait("D:\VeryPDF\htmltools.exe", "-webkit D:\test2.html D:\2.pdf")
ShellandWait("D:\VeryPDF\htmltools.exe", "-webkit D:\test3.html D:\3.pdf")
ShellandWait("D:\VeryPDF\htmltools.exe", "-webkit D:\test4.html D:\4.pdf")

ShellandWait("D:\VeryPDF\htmltools.exe", "-mergepdf ""D:\1.pdf|D:\2.pdf|D:\3.pdf|D:\4.pdf"" C:\out.pdf")

Public Sub ShellandWait(ByVal ProcessPath As String, ByVal strParameters As String)
        Dim objProcess As System.Diagnostics.Process
        Try
                objProcess = New System.Diagnostics.Process()
                objProcess.StartInfo.FileName = ProcessPath
                objProcess.Arguments = strParameters
                objProcess.StartInfo.WindowStyle = ProcessWindowStyle.Normal
                objProcess.Start()

                'Wait until the process passes back an exit code
                objProcess.WaitForExit()

                'Free resources associated with this process
                objProcess.Close()
        Catch
                MessageBox.Show("Could not start process " & ProcessPath, "Error")
        End Try
End Sub
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If you encounter any problem with htmltools.exe application, please feel free to let us know.

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