ByteScout PDF Suite – VB.NET – Draw with transparency in pdf with pdf sdk

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ByteScout PDF Suite – VB.NET – Draw with transparency in pdf with pdf sdk

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ByteScout-PDF-Suite-VB-NET-Draw-with-transparency-in-pdf-with-pdf-sdk.pdf

How to draw with transparency in pdf with pdf sdk in VB.NET with ByteScout PDF Suite

Learning is essential in computer world and the tutorial below will demonstrate how to draw with transparency in pdf with pdf sdk in VB.NET

These sample source codes on this page below are displaying how to draw with transparency in pdf with pdf sdk in VB.NET. ByteScout PDF Suite is the bundle that provides six different SDK libraries to work with PDF from generating rich PDF reports to extracting data from PDF documents and converting them to HTML. This bundle includes PDF (Generator) SDK, PDF Renderer SDK, PDF Extractor SDK, PDF to HTML SDK, PDF Viewer SDK and PDF Generator SDK for Javascript. It can draw with transparency in pdf with pdf sdk in VB.NET.

Want to quickly learn? This fast application programming interfaces of ByteScout PDF Suite for VB.NET plus the guidelines and the code below will help you quickly learn how to draw with transparency in pdf with pdf sdk. IF you want to implement the functionality, just copy and paste this code for VB.NET below into your code editor with your app, compile and run your application. Complete and detailed tutorials and documentation are available along with installed ByteScout PDF Suite if you’d like to learn more about the topic and the details of the API.

ByteScout PDF Suite free trial version is available on our website. VB.NET and other programming languages are supported.

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Program.vb

      Imports Bytescout.PDF

''' <summary>
''' This example demonstrates how to draw transparent objects.
''' </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)

        Dim canvas = page.Canvas

        ' Prepare pens and brushes
        Dim borderPen = New SolidPen(New ColorRGB(0, 0, 0), 2.0F)

        Dim brush1 = New SolidBrush(New ColorRGB(255, 0, 0))
        Dim brush2 = New SolidBrush(New ColorRGB(0, 0, 255))

        borderPen.Opacity = 50
        brush1.Opacity = 30
        brush2.Opacity = 60

        ' Draw normal rectangles
        canvas.DrawRectangle(brush1, 100, 100, 100, 100)
        canvas.DrawRectangle(borderPen, brush2, 150, 150, 100, 100)

        borderPen.Opacity = 80
        brush1.Opacity = 60
        brush2.Opacity = 30

        ' Draw rounded rectangles
        canvas.DrawRoundedRectangle(brush1, 220, 100, 100, 100, 10)
        canvas.DrawRoundedRectangle(borderPen, brush2, 270, 150, 100, 100, 10)

        ' 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