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Find Table in PDF And Extract As Text - VB.NET

PDF Extractor SDK sample in VB.NET demonstrating ‘Find Table in PDF And Extract As Text’

Program.vb
Imports Bytescout.PDFExtractor

Class Program
	Friend Shared Sub Main(args As String())

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

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

        ' We should define what kind of tables we should detect.
        ' So we set min required number of columns to 3 ...
        tableDetector.DetectionMinNumberOfColumns = 3
        ' ... and we set min required number of rows to 3
        tableDetector.DetectionMinNumberOfRows = 3

        ' Set table detection mode to "bordered tables" - best for tables with closed solid borders.
        tableDetector.ColumnDetectionMode = ColumnDetectionMode.BorderedTables

        ' Load sample PDF document
        textExtractor.LoadDocumentFromFile(".\sample3.pdf")
        tableDetector.LoadDocumentFromFile(".\sample3.pdf")

		' Get page count
        Dim pageCount As Integer = tableDetector.GetPageCount()

        ' Iterate through pages
		For i As Integer = 0 To pageCount - 1
            Dim t As Integer = 1
            ' Find first table and continue if found
            If (tableDetector.FindTable(i)) Then
                Do
                    ' Set extraction area for JSON extractor to rectangle received from the table detector
                    textExtractor.SetExtractionArea(tableDetector.FoundTableLocation)
                    ' Export the table to JSON file
                    textExtractor.SavePageTextToFile(i, "page-" + i.ToString() + "-table-" + t.ToString() + ".txt")
                    t = t + 1
                Loop While tableDetector.FindNextTable()
            End If
        Next

        ' Cleanup
        textExtractor.Dispose()
        tableDetector.Dispose()

        ' Open first output file in default associated application (for demo purposes)
        System.Diagnostics.Process.Start("page-0-table-1.txt")

    End Sub
End Class

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