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ByteScout Premium Suite – VB.NET – Textextractor progress indication with pdf extractor sdk

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textextractor progress indication with pdf extractor sdk in VB.NET with ByteScout Premium Suite

Learn textextractor progress indication with pdf extractor sdk in VB.NET

Every ByteScout tool includes sampleVB.NET source codes that you can find here or in the folder with installed ByteScout product. Textextractor progress indication with pdf extractor sdk in VB.NET can be applied with ByteScout Premium Suite. ByteScout Premium Suite is the set that includes 12 SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording.

If you want to quickly learn then these fast application programming interfaces of ByteScout Premium Suite for VB.NET plus the guideline and the VB.NET code below will help you quickly learn textextractor progress indication with pdf extractor sdk. If you want to implement this functionality, you should copy and paste code below into your app using code editor. Then compile and run your application. These VB.NET sample examples can be used in one or many applications.

Our website gives free trial version of ByteScout Premium Suite. It includes all these source code samples with the purpose to assist you with your VB.NET application implementation.

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Program.vb
      
Imports Bytescout.PDFExtractor Module Program Sub Main() Try ' Read all file content... Using extractor As TextExtractor = New TextExtractor() ' Load document extractor.LoadDocumentFromFile("sample.png") ' Extractor Progress event Console.WriteLine("Text Extraction in progress: " & vbLf) AddHandler extractor.ProgressChanged, AddressOf Extractor_ProgressChanged ' Set option to repair text extractor.OCRMode = OCRMode.TextFromImagesAndVectorsAndRepairedFonts ' Enable Optical Character Recognition (OCR) ' in .Auto mode (SDK automatically checks if needs to use OCR or not) extractor.OCRMode = OCRMode.Auto ' Set the location of OCR language data files extractor.OCRLanguageDataFolder = "c:\Program Files\Bytescout PDF Extractor SDK\ocrdata\" ' Set OCR language extractor.OCRLanguage = "eng" ' "eng" for english, "deu" for German, "fra" for French, "spa" for Spanish etc - according to files in "ocrdata" folder ' Find more language files at https://github.com/bytescout/ocrdata ' Set PDF document rendering resolution extractor.OCRResolution = 300 ' Read all text Dim allExtractedText = extractor.GetText() Console.WriteLine(vbLf & vbLf & "Extracted Text:" & vbLf & vbLf & "{0}", allExtractedText) End Using Catch ex As Exception Console.WriteLine(ex.Message) End Try Console.WriteLine("Press enter key to exit...") Console.ReadLine() End Sub ''' <summary> ''' Handle progress change event ''' </summary> Private Sub Extractor_ProgressChanged(ByVal sender As Object, ByVal ongoingOperation As OngoingOperation, ByVal progress As Double, ByRef cancel As Boolean) drawTextProgressBar(Convert.ToInt32(progress), 100) End Sub ''' <summary> ''' Display progress bar ''' </summary> Private Sub drawTextProgressBar(ByVal progress As Integer, ByVal total As Integer) 'draw empty progress bar Console.CursorLeft = 0 Console.Write("[") ' start Console.CursorLeft = 32 Console.Write("]") ' end Console.CursorLeft = 1 Dim onechunk As Single = 30.0F / total Dim position As Integer = 1 ' draw filled part For i As Integer = 0 To onechunk * progress - 1 Console.BackgroundColor = ConsoleColor.Green Console.CursorLeft = Math.Min(System.Threading.Interlocked.Increment(position), position - 1) Console.Write(" ") Next ' draw unfilled part For i As Integer = position To 31 Console.BackgroundColor = ConsoleColor.Gray Console.CursorLeft = Math.Min(System.Threading.Interlocked.Increment(position), position - 1) Console.Write(" ") Next ' draw totals Console.CursorLeft = 35 Console.BackgroundColor = ConsoleColor.Black Console.Write(progress.ToString() & " of " & total.ToString() & " ") ' blanks at the end remove any excess End Sub End Module

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