SelectPdf for .NET - Pdf Image Element Properties - VB.NET / ASP.NET Sample

This sample shows how to create a new PDF document using SelectPdf and add several image elements to it, modifying the properties of these elements.

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_image_element
        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 page As PdfPage = doc.AddPage()

            ' get image path
            Dim imgFile As String = Server.MapPath("~/files/logo.png")

            ' define a rendering result object
            Dim result As PdfRenderingResult

            ' create image element from file path with real image size
            Dim img1 As New PdfImageElement(0, 0, imgFile)
            result = page.Add(img1)

            ' create image element from system Image object with fixed size in pdf 
            ' (aspect ratio not preserved)
            Dim img As System.Drawing.Image = System.Drawing.Image.FromFile(imgFile)
            Dim img2 As New PdfImageElement(0, result.PdfPageLastRectangle.Bottom + 50, _
                                            100, 100, img)
            result = page.Add(img2)

            ' add text element
            Dim font1 As PdfFont = doc.AddFont(PdfStandardFont.Helvetica)
            font1.Size = 10
            Dim text1 As New PdfTextElement(0, result.PdfPageLastRectangle.Bottom + 50, _
                                            Helper.SomeText(), font1)

            ' add image over text (no transparency)
            Dim img3 As New PdfImageElement(0, result.PdfPageLastRectangle.Bottom + 50, imgFile)
            result = page.Add(img3)

            ' add image over text (with transparency) next to the previous image
            Dim img4 As New PdfImageElement(result.PdfPageLastRectangle.Right + 30, _
                                            result.PdfPageLastRectangle.Top, imgFile)
            img4.Transparency = 50
            result = page.Add(img4)

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

            ' close pdf document
        End Sub
    End Class
End Namespace