ByteScout PDF SDK – VB.NET – Add JavaScript Action in PDF

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ByteScout PDF SDK – VB.NET – Add JavaScript Action in PDF

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ByteScout-PDF-SDK-VB-NET-Add-JavaScript-Action-in-PDF.pdf

How to add javascript action in PDF in VB.NET with ByteScout PDF SDK

Write code in VB.NET to add javascript action in PDF with this step-by-step tutorial

The coding tutorials are designed to help you test the features without need to write your own code. ByteScout PDF SDK: the pdf library that can create, update and modify PDF files. Supports text with fonts and style selections, layers, form fields, drawing lines and objects, automatic tables, images. Can be used to create and fill pdf forms. It can add javascript action in PDF in VB.NET.

This code snippet below for ByteScout PDF SDK works best when you need to quickly add javascript action in PDF in your VB.NET application. Follow the instructions from the scratch to work and copy the VB.NET code. Test VB.NET sample code examples whether they respond your needs and requirements for the project.

Free trial version of ByteScout PDF SDK is available for download from our website. Get it to try other source code samples for VB.NET.

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Program.vb

      Imports Bytescout.PDF

''' <summary>
''' This example demonstrates how to add JavaScript actions to document events.
''' </summary>
Class Program

    Shared Sub Main()

        ' Create new document
        Dim pdfDocument = New Document()
        pdfDocument.RegistrationName = "demo"
		pdfDocument.RegistrationKey = "demo"
		' Add page
        pdfDocument.Pages.Add(New Page(PaperFormat.A4))

        ' Add action to document open event
        Dim onOpenDocument = New JavaScriptAction("app.alert(""OnOpenDocument"",3)")
        pdfDocument.OnOpenDocument = onOpenDocument

        ' Add action to document close event
        Dim onBeforeClosing = New JavaScriptAction("app.alert(""OnBeforeClosing"",3)")
        pdfDocument.OnBeforeClosing = onBeforeClosing

        ' 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