MIME Multipart Boundary and Preamble Properties

See more MIME Examples

Demonstrates the Boundary property, which gets or sets the raw boundary token of a multipart entity (without surrounding quotation marks), and UseMmDescription, which controls whether the conventional preamble text is emitted when serializing a multipart entity.

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

$success = $false

$mime = New-Object Chilkat.Mime

#  Create a multipart/mixed entity.
$success = $mime.NewMultipartMixed()
if ($success -eq $false) {
    $($mime.LastErrorText)
    exit
}

#  Boundary is the raw boundary token, without surrounding quotation marks.  Chilkat quotes it
#  automatically in the serialized header when required.
$mime.Boundary = "example-boundary"

#  UseMmDescription controls whether the conventional preamble text
#  "This is a multi-part message in MIME format." is emitted.  The default is $false.
$mime.UseMmDescription = $true

#  Add a simple part so the multipart has content.
$part = New-Object Chilkat.Mime
$success = $part.SetBodyFromPlainText("First part.")
if ($success -eq $false) {
    $($part.LastErrorText)
    exit
}

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

$("Boundary = " + $mime.Boundary)

$mimeStr = $mime.GetMime()
if ($mime.LastMethodSuccess -eq $false) {
    $($mime.LastErrorText)
    exit
}

$($mimeStr)