Make Unsearchable PDF | VB.NETByteScout PDF Extractor SDK

Make Unsearchable PDF | VB.NET

Module1.vb:

VB
Imports Bytescout.PDFExtractor

Module Module1

    Sub Main()

        ' Create Bytescout.PDFExtractor.UnsearchablePDFMaker instance
        Dim unsearchablePDFMaker = New UnsearchablePDFMaker()
        unsearchablePDFMaker.RegistrationName = "demo"
        unsearchablePDFMaker.RegistrationKey = "demo"

        ' Load sample PDF document
        unsearchablePDFMaker.LoadDocumentFromFile("sample1.pdf")

        ' Set PDF rendering resolution to 150 DPI. Higher value - better quality, but larger output file.
        unsearchablePDFMaker.RenderingResolution = 150
        ' Set embedded images format
        unsearchablePDFMaker.ImageFormat = EmbeddedImageFormat.PNG

        ' Process the document
        unsearchablePDFMaker.MakePDFUnsearchable("result.pdf")

        ' Cleanup
        unsearchablePDFMaker.Dispose()

        ' Open the result PDF file in default associated application
        System.Diagnostics.Process.Start("result.pdf")

    End Sub

End Module