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Create a multipart/related MIME Entity

Demonstrates the Chilkat Mime.NewMultipartRelated method, which initializes the object as an empty multipart/related entity. It takes no arguments; the primary part and its related resources are then appended.

Note: The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

Background: multipart/related ties a primary part to the resources it references — most commonly an HTML body and the inline images it embeds via cid: references. Unlike a plain attachment, a related image is displayed within the message rather than listed separately. The HTML part comes first, followed by each referenced resource with a matching Content-ID.

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Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"

$success = $false

#  Demonstrates the Mime.NewMultipartRelated method, which initializes the object as an empty
#  multipart/related entity, clearing any existing content.  It takes no arguments.

$mime = New-Object Chilkat.Mime

$success = $mime.NewMultipartRelated()
if ($success -eq $false) {
    $($mime.LastErrorText)
    exit
}

#  multipart/related groups a primary part with the resources it references, such as an HTML body
#  and the inline images it displays.
$htmlPart = New-Object Chilkat.Mime
$success = $htmlPart.SetBodyFromHtml("<html><body><img src=`"cid:logo`"></body></html>")
if ($success -eq $false) {
    $($htmlPart.LastErrorText)
    exit
}

$success = $mime.AppendPart($htmlPart)
if ($success -eq $false) {
    $($mime.LastErrorText)
    exit
}

$success = $mime.AppendPartFromFile("qa_data/logo.png")
if ($success -eq $false) {
    $($mime.LastErrorText)
    exit
}

$("Number of parts: " + $mime.NumParts)