(Xojo Plugin) Convert Embedded HTML Images to Multipart/Related CID References

Demonstrates how to convert HTML images that are inline/embedded within the HTML to CID references to multipart/related MIME parts.

Note: This example requires Chilkat v9.5.0.78 or greater.

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Xojo Plugin for Windows, Linux, Mac OS X, and ARM, ARM64

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// This example converts the following email with image data embedded directly in the HTML,
// to the MIME shown at the bottom of this page.
// If the HTML contains multiple embedded images, the call to email.ConvertInlineImages will convert all of them.

// MIME-Version: 1.0
// Date: Tue, 30 Apr 2019 11:36:34 +0200
// Message-ID: <E5DB5F8A65D671FB4822B22F5309411838F2FC93@PC0VDL0W013>
// Content-Type: text/html; charset="windows-1252"
// Content-Transfer-Encoding: quoted-printable
// X-Priority: 3 (Normal)
// From: <admin@chilkatsoft.com>
// To: Matt <matt@chilkat.io>
// Subject: Test
// 
// <html xmlns=3D"http://www.w3.org/1999/xhtml">
// <body><p>
// <img src=3D"data:image/jpeg;base64,/9j/4AAQSkZJRgABAQEA3ADcAAD/2=
// wBDAAIBAQEBAQIBAQECAgICAgQDAgICAgUEBAMEBgUGBgYFBgYGBwkIBgcJBwYGCAsICQoKCgoK=
// BggLDAsKDAkKCgr/2wBDAQICAgICAgUDAwUKBwYHCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgo=
// ...
// 4zzS3ww+5/8AyR//2Q=3D=3D" width=3D"58" height=3D"66" alt=3D"" style=3D"bord=
// er-width:0px;" /></body>
// </html>

Dim email As New Chilkat.Email
Dim success As Boolean
success = email.LoadEml("qa_data/eml/embedded_html_image.eml")

success = email.ConvertInlineImages()
System.DebugLog(email.GetMime())

// The MIME after moving the image data to a separate MIME sub-part:

// MIME-Version: 1.0
// Date: Tue, 30 Apr 2019 11:36:34 +0200
// Message-ID: <E5DB5F8A65D671FB4822B22F5309411838F2FC93@PC0VDL0W013>
// Content-Type: multipart/related; boundary="------------020808080005060904000806"
// X-Priority: 3 (Normal)
// From: <admin@chilkatsoft.com>
// To: Matt <matt@chilkat.io>
// Subject: Test
// 
// --------------020808080005060904000806
// Content-Type: text/html; charset=windows-1252
// Content-Transfer-Encoding: quoted-printable
// 
// <html xmlns=3D"http://www.w3.org/1999/xhtml">
// </head></head><body><p>
// <img src=3D"cid:CID-1f73052c-32a7-4abb-8e9d-0afb58c17eed@CHILKATSLICE" widt=
// h=3D"58" height=3D"66" alt=3D"" style=3D"border-width:0px;" /></body>
// </html>
// 
// 
// 
// --------------020808080005060904000806
// Content-Type: image/jpeg; name="image_95EA3073134C.jpeg"
// Content-Transfer-Encoding: base64
// Content-ID: <CID-1f73052c-32a7-4abb-8e9d-0afb58c17eed@CHILKATSLICE>
// 
// /9j/4AAQSkZJRgABAQEA3ADcAAD/2wBDAAIBAQEBAQIBAQECAgICAgQDAgICAgUEBAMEBgUGBgYF
// BgYGBwkIBgcJBwYGCAsICQoKCgoKBggLDAsKDAkKCgr/2wBDAQICAgICAgUDAwUKBwYHCgoKCgoK
// ...
// 5bmGF7e42pOwUxrFNEQOcLGw6vX2Yv7NfxbWLYfB67s84vrf/wCLoor8r424ZwGYZkqlSUk+VLRr
// /Jn2mS8QYzC0Woxi9eqf+aGr+zX8XUyW8K9/+f8Ag/8AjlO/4Zs+Ln/Qqf8Ak/b/APxyiivkXwPl
// H88/vj/8ifUR4zzS3ww+5/8AyR//2Q==
// 
// --------------020808080005060904000806--