ByteScout PDF SDK - VB.NET - Use Markup for Annotations in PDF - ByteScout

ByteScout PDF SDK – VB.NET – Use Markup for Annotations in PDF

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How to use markup for annotations in PDF in VB.NET with ByteScout PDF SDK

The tutorial below will demonstrate how to use markup for annotations in PDF in VB.NET

The documentation is designed to help you to implement the features on your side. Want to use markup for annotations in PDF in your VB.NET app? ByteScout PDF SDK is designed for it. ByteScout PDF SDK is the library for pdf documents generation, modification and updates. Can also generate and fill PDF forms. Provides support for text (fonts, style, size, font family), layers, pdf form fields, vector and raster drawings.

VB.NET code samples for VB.NET developers help to speed up coding of your application when using ByteScout PDF SDK. This VB.NET sample code is all you need for your app. Just copy and paste the code, add references (if needs to) and you are all set! Enjoy writing a code with ready-to-use sample codes in VB.NET.

Trial version of ByteScout PDF SDK can be downloaded for free from our website. It also includes source code samples for VB.NET and other programming languages.

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Program.vb
      
Imports System.Drawing Imports Bytescout.PDF ''' <summary> ''' This example demonstrates how to add markup annotations. ''' </summary> Class Program Shared Sub Main() ' Create new document Dim pdfDocument = New Document() pdfDocument.RegistrationName = "demo" pdfDocument.RegistrationKey = "demo" ' Add page Dim page = New Page(PaperFormat.A4) pdfDocument.Pages.Add(page) ' Draw sample markup annotations Dim squareAnnotation = New SquareAnnotation(20, 20, 80, 80) squareAnnotation.BackgroundColor = New ColorRGB(255, 240, 240) squareAnnotation.BorderStyle.Style = BorderStyle.Dashed squareAnnotation.BorderStyle.DashPattern = New DashPattern(New Single() {3, 1, 3}) page.Annotations.Add(squareAnnotation) Dim circleAnnotation = New CircleAnnotation(120, 20, 80, 80) circleAnnotation.BackgroundColor = New ColorRGB(240, 250, 240) circleAnnotation.Color = New ColorRGB(128, 0, 128) circleAnnotation.BorderEffect.Effect = BorderEffect.Cloudy circleAnnotation.BorderEffect.Intensity = 2 page.Annotations.Add(circleAnnotation) Dim lineAnnotation = New LineAnnotation(20, 180, 100, 120) lineAnnotation.Color = New ColorRGB(255, 0, 0) lineAnnotation.StartLineStyle = LineEndingStyle.Butt lineAnnotation.EndLineStyle = LineEndingStyle.OpenArrow page.Annotations.Add(lineAnnotation) Dim pp = {New PointF(120, 120), New PointF(130, 130), New PointF(140, 120), New PointF(150, 130), New PointF(160, 120), New PointF(170, 130)} Dim points = New PointsArray(pp) Dim polylineAnnotation = New PolylineAnnotation(points) polylineAnnotation.BorderStyle.Width = 2 page.Annotations.Add(polylineAnnotation) ' Save document to file pdfDocument.Save("result.pdf") ' Cleanup pdfDocument.Dispose() ' Open document in default PDF viewer app Process.Start("result.pdf") End Sub End Class

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