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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