ByteScout PDF Extractor SDK – VB.NET – Find Keyword And Extract Page

ByteScout PDF Extractor SDK – VB.NET – Find Keyword And Extract Page

Program.vb

' This example page extraction by found keyword.

Imports Bytescout.PDFExtractor

Class Program

    Friend Shared Sub Main(args As String())

        Dim inputFile As String = ".\sample2.pdf"

        ' Create Bytescout.PDFExtractor.TextExtractor instance
        Dim extractor As New TextExtractor()
        extractor.RegistrationName = "demo"
        extractor.RegistrationKey = "demo"

        ' Load sample PDF document
        extractor.LoadDocumentFromFile(inputFile)

        Dim pageCount As Integer = extractor.GetPageCount()

        ' Search each page for a keyword 
        For i As Integer = 0 To pageCount - 1

            If extractor.Find(i, "bombardment", False) Then

                ' Extract page
                Using splitter As New DocumentSplitter("demo", "demo")

                    splitter.OptimizeSplittedDocuments = True

                    Dim pageNumber As Integer = i + 1
                    ' (!) page number in ExtractPage() is 1-based
                    Dim outputFile As String = ".\page" & pageNumber.ToString() & ".pdf"
                    splitter.ExtractPage(inputFile, outputFile, pageNumber)

                    Console.WriteLine("Extracted page " & pageNumber.ToString() & " to file """ & outputFile & """")

                End Using
            End If
        Next

        ' Cleanup
		extractor.Dispose()

        Console.WriteLine()
        Console.WriteLine("Press any key...")
        Console.ReadKey()
        
    End Sub
End Class

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