Imports IronPdf
Imports System.IO

' Instantiate the Renderer and create PdfDocument from HTML
Dim renderer As New ChromePdfRenderer()
Dim myPdf = renderer.RenderHtmlFileAsPdf("my-content.html")

' Load your own attachment
Dim attachment As Byte() = File.ReadAllBytes("path/to/attachment")

' Here we can add an attachment with a name and a byte()
Dim exampleAttachment As PdfAttachment = myPdf.Attachments.AddAttachment("exampleAttachment", attachment)

' And here is an example of removing an attachment
myPdf.Attachments.RemoveAttachment(exampleAttachment)

myPdf.SaveAs("my-content.pdf")