These VB.NET code samples for VB.NET guide developers to speed up coding of the application when using ByteScout PDF Suite. Follow the instructions from scratch to work and copy the VB.NET code. This basic programming language sample code for VB.NET will do the whole work for you to add launch action in pdf with pdf sdk.
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Imports Bytescout.PDF ''' <summary> ''' This example demonstrates how to create a button that launches an external resource. ''' </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 button Dim button = New PushButton(20, 20, 120, 25, "button1") button.Caption = "Launch sample.txt" ' Create action that opens an external file Dim launchAction = New LaunchAction(IO.Path.GetFullPath("sample.txt")) button.OnActivated = launchAction page.Annotations.Add(button) ' 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
sample.txt 1234567890 abcdefghijklmnopqrstuvwxyz