ByteScout PDF SDK – VB.NET – Convert HTML Email with Attachments to PDF

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ByteScout PDF SDK – VB.NET – Convert HTML Email with Attachments to PDF

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ByteScout-PDF-SDK-VB-NET-Convert-HTML-Email-with-Attachments-to-PDF.pdf

How to convert HTML email with attachments to PDF in VB.NET and ByteScout PDF SDK

How to convert HTML email with attachments to PDF in VB.NET

The sample shows steps and algorithm of how to convert HTML email with attachments to PDF and how to make it work in your VB.NET application. What is ByteScout PDF SDK? It is the component to help programmers in generating new pdf files, modifying and updating existing pdf documents or pdf forms. Provides support for auto-filling pdf forms, adding text with adjustable font, style, size, font family, new form fields, vector and raster drawings. It can help you to convert HTML email with attachments to PDF in your VB.NET application.

This code snippet below for ByteScout PDF SDK works best when you need to quickly convert HTML email with attachments to PDF in your VB.NET application. Just copy and paste the code into your VB.NET application’s code and follow the instruction. Code testing will allow the function to be tested and work properly with your data.

Trial version of ByteScout PDF SDK can be downloaded for free from our website. It also includes source code samples for VB.NET and other programming languages.

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Program.vb

      Imports System.Drawing.Printing
Imports System.IO
Imports System.Text
Imports Bytescout.PDF
Imports Bytescout.PDF.Converters

Imports Font = Bytescout.PDF.Font
Imports SolidBrush = Bytescout.PDF.SolidBrush

Module Program

    Sub Main()

        Try
            ' Parse MessageContents using MsgReader Library
            ' MsgReader library can be obtained from: https://github.com/Sicos1977/MSGReader
            Using msg = New MsgReader.Outlook.Storage.Message("HtmlSampleEmailWithAttachment.msg")

                ' Get Sender information
                Dim from = msg.GetEmailSender(False, False)

                ' Message sent datetime
                Dim sentOn = msg.SentOn

                ' Recipient To information
                Dim recipientsTo = msg.GetEmailRecipients(MsgReader.Outlook.RecipientType.[To], False, False)

                ' Recipient CC information
                Dim recipientsCc = msg.GetEmailRecipients(MsgReader.Outlook.RecipientType.Cc, False, False)

                ' Recipient BCC information
                Dim recipientBcc = msg.GetEmailRecipients(MsgReader.Outlook.RecipientType.Bcc, False, False)

                ' Message subject
                Dim subject = msg.Subject

                ' Get Message Body
                Dim msgBody = msg.BodyHtml

                ' Prepare PDF docuemnt
                Using outputDocument As Document = New Document()

                    ' Add registration keys
                    outputDocument.RegistrationName = "demo"
                    outputDocument.RegistrationKey = "demo"

                    ' Add page
                    Dim page As Page = New Page(PaperFormat.A4)
                    outputDocument.Pages.Add(page)

                    ' Default font and brush
                    Dim font As Font = New Font(StandardFonts.Times, 12)
                    Dim brush As Brush = New SolidBrush()

                    ' Add Email contents
                    Dim topMargin As Integer = 0
                    topMargin += 20
                    page.Canvas.DrawString({code}quot;File Name: {msg.FileName}", font, brush, 20, topMargin)

                    topMargin += 20
                    page.Canvas.DrawString({code}quot;From: {from}", font, brush, 20, topMargin)

                    topMargin += 20
                    page.Canvas.DrawString({code}quot;Sent On: {(If(sentOn.HasValue, sentOn.Value.ToString("MM/dd/yyyy HH:mm"), ""))}", font, brush, 20, topMargin)

                    topMargin += 20
                    page.Canvas.DrawString({code}quot;To: {recipientsTo}", font, brush, 20, topMargin)

                    If Not String.IsNullOrEmpty(recipientsCc) Then
                        topMargin += 20
                        page.Canvas.DrawString({code}quot;CC: {recipientsCc}", font, brush, 20, topMargin)
                    End If

                    If Not String.IsNullOrEmpty(recipientBcc) Then
                        topMargin += 20
                        page.Canvas.DrawString({code}quot;BCC: {recipientBcc}", font, brush, 20, topMargin)
                    End If

                    topMargin += 20
                    page.Canvas.DrawString({code}quot;Subject: {subject}", font, brush, 20, topMargin)

                    topMargin += 20
                    page.Canvas.DrawString("Message body and attachments in next page.", font, brush, 20, topMargin)

                    ' Convert Html body to PDF in order to retain all formatting.
                    Using converter As HtmlToPdfConverter = New HtmlToPdfConverter()

                        converter.PageSize = PaperKind.A4
                        converter.Orientation = Bytescout.PDF.Converters.PaperOrientation.Portrait

                        ' Convert input HTML to stream
                        Dim byteArrayBody As Byte() = Encoding.UTF8.GetBytes(msgBody)
                        Dim inputStream As MemoryStream = New MemoryStream(byteArrayBody)

                        ' Create output stream to store generated PDF file
                        Using outputStream = New MemoryStream()
                            ' Convert HTML to PDF
                            converter.ConvertHtmlToPdf(inputStream, outputStream)

                            ' Create new document from generated output stream
                            Dim docContent As Document = New Document(outputStream)

                            ' Append all pages to main PDF
                            For Each item As Page In docContent.Pages
                                outputDocument.Pages.Add(item)
                            Next

                            ' Get attachments from message (if any, and append to document)
                            If msg.Attachments.Count > 0 Then

                                For Each itmAttachment As MsgReader.Outlook.Storage.Attachment In msg.Attachments

                                    ' Get Memory Stream
                                    Dim attachmentMemoryStream As MemoryStream = New MemoryStream(itmAttachment.Data)

                                    ' Append Attachment
                                    Dim docAttachment As Document = New Document(attachmentMemoryStream)

                                    ' Append all pages to main PDF
                                    For Each item As Page In docAttachment.Pages
                                        outputDocument.Pages.Add(item)
                                    Next

                                Next

                            End If

                            ' Save output file
                            outputDocument.Save("result.pdf")

                            ' Open output file
                            Process.Start("result.pdf")

                        End Using
                    End Using
                End Using
            End Using

        Catch ex As Exception
            Console.WriteLine(ex.Message)
            Console.WriteLine("Press enter key to exit...")
            Console.ReadLine()
        End Try

    End Sub

End Module

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packages.config

      <?xml version="1.0" encoding="utf-8"?>
<packages>
  <package id="MsgReader" version="3.4.1" targetFramework="net45" />
  <package id="OpenMcdf" version="2.2.1.3" targetFramework="net45" />
</packages>