ByteScout Premium Suite – VB.NET – Use markup for annotations in pdf with pdf sdk

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ByteScout Premium Suite – VB.NET – Use markup for annotations in pdf with pdf sdk

printable version:
ByteScout-Premium-Suite-VB-NET-Use-markup-for-annotations-in-pdf-with-pdf-sdk.pdf

How to use markup for annotations in pdf with pdf sdk in VB.NET and ByteScout Premium Suite

Continuous learning is a crucial part of computer science and this tutorial shows how to use markup for annotations in pdf with pdf sdk in VB.NET

On this page you will learn from code samples for programming in VB.NET.Writing of the code to use markup for annotations in pdf with pdf sdk in VB.NET can be executed by programmers of any level using 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 and you can use it to use markup for annotations in pdf with pdf sdk with VB.NET.

The following code snippet for ByteScout Premium Suite works best when you need to quickly use markup for annotations in pdf with pdf sdk in your VB.NET application. Simply copy and paste in your VB.NET project or application you and then run your app! Use of ByteScout Premium Suite in VB.NET is also described in the documentation included along with the product.

The trial version of ByteScout Premium Suite 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