(VB.NET UWP/WinRT) Create Apple Watch HTML (text/watch-html) Email

Demonstrates how to create an Apple Watch text/watch-html email.

Note: This example requires Chilkat v9.5.0.68 or greater.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

'  This example will produce an email such as:

'  	MIME-Version: 1.0
'  	Date: Fri, 02 Jun 2017 09:17:06 -0500
'  	Message-ID: <E6F1F17104442EA09740322D3E2E78806C87FB80@CHILKAT13>
'  	X-Priority: 3 (Normal)
'  	Subject: Apple Watch Example
'  	From: from@example.org
'  	To: to@example.org
'  	Content-Type: multipart/alternative; boundary="------------080904030200000307060803"
' 
'  	--------------080904030200000307060803
'  	Content-Type: text/plain; charset=utf-8
'  	Content-Transfer-Encoding: quoted-printable
'  	Content-Disposition: inline
' 
'  	This is the plain text part.
'  	--------------080904030200000307060803
'  	Content-Type: text/watch-html; charset=utf-8
'  	Content-Disposition: inline
'  	Content-Transfer-Encoding: quoted-printable
' 
'  	<b>This is the Watch HTML part</b>
'  	--------------080904030200000307060803
'  	Content-Type: text/html; charset=utf-8
'  	Content-Disposition: inline
'  	Content-Transfer-Encoding: quoted-printable
' 
'  	<p>This is the standard HTML part</p>
'  	--------------080904030200000307060803--


'  Create a new email instance to get the default auto-created fields.
Dim email As New Chilkat.Email
email.Body = "This is the plain text part."
email.Subject = "Apple Watch Example"
email.From = "from@example.org"
email.AddTo("","to@example.org")

Debug.WriteLine(email.GetMime())
Debug.WriteLine("--")

'  This is the MIME so far:
'  (Chilkat automatically removes CKX-* headers when sending email.)

'  	MIME-Version: 1.0
'  	Date: Fri, 02 Jun 2017 09:17:06 -0500
'  	Message-ID: <E6F1F17104442EA09740322D3E2E78806C87FB80@CHILKAT13>
'  	Content-Type: text/plain; format=flowed
'  	Content-Transfer-Encoding: 7bit
'  	X-Priority: 3 (Normal)
'  	Subject: Apple Watch Example
'  	From: from@example.org
'  	CKX-Bounce-Address: from@example.org
'  	To: to@example.org
' 
'  	This is the plain text part.

'  We'll use the Chilkat MIME object to build it.
'  The MIME API provides more flexibility..
Dim mime As New Chilkat.Mime
mime.LoadMime(email.GetMime())

'  Convert this MIME to multipart/alternative.
mime.ConvertToMultipartAlt()

Debug.WriteLine(mime.GetMime())
Debug.WriteLine("--")

'  We now have this MIME:

'  	MIME-Version: 1.0
'  	Date: Fri, 02 Jun 2017 09:17:06 -0500
'  	Message-ID: <E6F1F17104442EA09740322D3E2E78806C87FB80@CHILKAT13>
'  	X-Priority: 3 (Normal)
'  	Subject: Apple Watch Example
'  	From: from@example.org
'  	CKX-Bounce-Address: from@example.org
'  	To: to@example.org
'  	Content-Type: multipart/alternative; boundary="------------080904030200000307060803"
' 
'  	--------------080904030200000307060803
'  	Content-Type: text/plain; format=flowed
'  	Content-Transfer-Encoding: 7bit
' 
'  	This is the plain text part.
'  	--------------080904030200000307060803--


'  If we desire a particular charset, encoding, or disposition..
Dim partPlainText As Chilkat.Mime = mime.GetPart(0)
partPlainText.Charset = "utf-8"
partPlainText.Disposition = "inline"
partPlainText.Encoding = "quoted-printable"


'  Create the text/watch-html MIME part and add it.
Dim partWatchHtml As New Chilkat.Mime
partWatchHtml.ContentType = "text/watch-html"
partWatchHtml.Charset = "utf-8"
partWatchHtml.Disposition = "inline"
partWatchHtml.Encoding = "quoted-printable"
partWatchHtml.SetBody("<b>This is the Watch HTML part</b>")
mime.AppendPart(partWatchHtml)

Debug.WriteLine(mime.GetMime())
Debug.WriteLine("--")

'  We now have this MIME:

'  	MIME-Version: 1.0
'  	Date: Fri, 02 Jun 2017 09:17:06 -0500
'  	Message-ID: <E6F1F17104442EA09740322D3E2E78806C87FB80@CHILKAT13>
'  	X-Priority: 3 (Normal)
'  	Subject: Apple Watch Example
'  	From: from@example.org
'  	CKX-Bounce-Address: from@example.org
'  	To: to@example.org
'  	Content-Type: multipart/alternative; boundary="------------080904030200000307060803"
' 
'  	--------------080904030200000307060803
'  	Content-Type: text/plain; charset=utf-8
'  	Content-Transfer-Encoding: quoted-printable
'  	Content-Disposition: inline
' 
'  	This is the plain text part.
'  	--------------080904030200000307060803
'  	Content-Type: text/watch-html; charset=utf-8
'  	Content-Disposition: inline
'  	Content-Transfer-Encoding: quoted-printable
' 
'  	<b>This is the Watch HTML part</b>
'  	--------------080904030200000307060803--


'  Create the text/html MIME part and add it.
Dim partHtml As New Chilkat.Mime
partHtml.ContentType = "text/html"
partHtml.Charset = "utf-8"
partHtml.Disposition = "inline"
partHtml.Encoding = "quoted-printable"
partHtml.SetBody("<p>This is the standard HTML part</p>")
mime.AppendPart(partHtml)

Debug.WriteLine(mime.GetMime())
Debug.WriteLine("--")

'  We now have this MIME:

'  	MIME-Version: 1.0
'  	Date: Fri, 02 Jun 2017 09:17:06 -0500
'  	Message-ID: <E6F1F17104442EA09740322D3E2E78806C87FB80@CHILKAT13>
'  	X-Priority: 3 (Normal)
'  	Subject: Apple Watch Example
'  	From: from@example.org
'  	CKX-Bounce-Address: from@example.org
'  	To: to@example.org
'  	Content-Type: multipart/alternative; boundary="------------080904030200000307060803"
' 
'  	--------------080904030200000307060803
'  	Content-Type: text/plain; charset=utf-8
'  	Content-Transfer-Encoding: quoted-printable
'  	Content-Disposition: inline
' 
'  	This is the plain text part.
'  	--------------080904030200000307060803
'  	Content-Type: text/watch-html; charset=utf-8
'  	Content-Disposition: inline
'  	Content-Transfer-Encoding: quoted-printable
' 
'  	<b>This is the Watch HTML part</b>
'  	--------------080904030200000307060803
'  	Content-Type: text/html; charset=utf-8
'  	Content-Disposition: inline
'  	Content-Transfer-Encoding: quoted-printable
' 
'  	<p>This is the standard HTML part</p>
'  	--------------080904030200000307060803--

'  Load the email object with this MIME, and we're good to go..
email.SetFromMimeText(mime.GetMime())
Debug.WriteLine(email.GetMime())