SelectPdf for .NET - Pdf Internal and External Links - VB.NET / ASP.NET Sample

This sample shows how to create a new PDF document using SelectPdf, how to add 2 pages to the document and several internal and external links.


Sample Code Vb.Net



Imports System.Collections.Generic
Imports System.Linq
Imports System.Web
Imports System.Web.UI
Imports System.Web.UI.WebControls
Imports SelectPdf

Namespace SelectPdf.Samples
    Partial Public Class pdf_links
        Inherits System.Web.UI.Page

        Protected Sub BtnCreatePdf_Click(sender As Object, e As EventArgs)
            ' create a new pdf document
            Dim doc As New PdfDocument()

            ' add a new page to the document
            Dim page1 As PdfPage = doc.AddPage()

            ' add a second page to the document
            Dim page2 As PdfPage = doc.AddPage()

            ' define a rendering result object
            Dim result As PdfRenderingResult

            ' create a new pdf font
            Dim font As PdfFont = doc.AddFont(PdfStandardFont.Helvetica)
            font.Size = 14
            font.IsUnderline = True

            ' create a new text element and add it to the first page
            Dim text1 As New PdfTextElement(0, 0, "First page (no link on this text)", font)
            page1.Add(text1)

            ' create a new text element and add it to the second page
            Dim text2 As New PdfTextElement(0, 0, "Second page (no link on this text)", font)
            page2.Add(text2)

            ' create external link in 2 steps

            ' 1 - create the link text
            Dim linkText1 As New PdfTextElement(0, 50, _
                    "External link (click to go to selectpdf.com)", font)
            result = page1.Add(linkText1)

            ' 2 - add the link using the text rendering rectangle
            Dim extLink1 As New PdfExternalLinkElement(result.PdfPageLastRectangle, _
                    "http://selectpdf.com")
            page1.Add(extLink1)

            ' create internal link in 2 steps

            ' 1 - create the link text
            Dim linkText2 As New PdfTextElement(0, 100, _
                    "Internal link (click to go to the second page)", font)
            result = page1.Add(linkText2)

            ' 2 - add the link using the text rendering rectangle
            Dim intLink1 As New PdfInternalLinkElement( _
                result.PdfPageLastRectangle, New PdfDestination(page2))
            page1.Add(intLink1)

            ' save pdf document
            doc.Save(Response, False, "Sample.pdf")

            ' close pdf document
            doc.Close()
        End Sub
    End Class
End Namespace