ByteScout PDF Suite – VB.NET – Add show-hide widget action in pdf with pdf sdk

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ByteScout PDF Suite – VB.NET – Add show-hide widget action in pdf with pdf sdk

printable version:
ByteScout-PDF-Suite-VB-NET-Add-show-hide-widget-action-in-pdf-with-pdf-sdk.pdf

How to add show hide widget action in pdf with pdf sdk in VB.NET and ByteScout PDF Suite

Learn to code in VB.NET to add show hide widget action in pdf with pdf sdk with this step-by-step tutorial

An easy to understand sample source code to learn how to add show hide widget action in pdf with pdf sdk in VB.NET ByteScout PDF Suite is the set that includes 6 SDK products 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 be applied to add show hide widget action in pdf with pdf sdk using VB.NET.

These VB.NET code samples for VB.NET guide developers to speed up coding of the application when using ByteScout PDF Suite. Just copy and paste the code into your VB.NET application’s code and follow the instructions. Check VB.NET sample code samples to see if they respond to your needs and requirements for the project.

If you want to try other source code samples then the free trial version of ByteScout PDF Suite is available for download from our website. Just try other source code samples for VB.NET.

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Program.vb

      Imports Bytescout.PDF

''' <summary>
''' This example demonstrates how to show/hide a widget in document.
''' </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)

        ' Create widget that will be shown/hidden
        Dim editBox = New EditBox(20, 20, 100, 25, "editBox1")
        editBox.Text = "editBox1"
        page.Annotations.Add(editBox)

        ' Create button that will show the widget
        Dim buttonShow = New PushButton(20, 80, 50, 25, "buttonShow")
        buttonShow.Caption = "Show"
        page.Annotations.Add(buttonShow)
        ' Add Show action
        Dim showAction = New HideAction(False)
        showAction.Fields.Add(editBox)
        buttonShow.OnActivated = showAction

        ' Create button that will hide the widget
        Dim buttonHide = New PushButton(100, 80, 50, 25, "buttonHide")
        buttonHide.Caption = "Hide"
        page.Annotations.Add(buttonHide)
        ' Add Hide action
        Dim hideAction = New HideAction(True)
        hideAction.Fields.Add(editBox)
        buttonHide.OnActivated = hideAction

        ' 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