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Get the Content-Type of a Related Item

Demonstrates the Chilkat Email.GetRelatedContentType method, which returns the Content-Type of the Nth related content item in an email. The index is zero-based. This example adds a related style sheet and reads its content type.

Background: Each related item declares a Content-Type — image/png for an inline image, text/css for a style sheet, and so on — that tells the rendering client how to use it. Reading the content type lets a program enumerate a message's embedded resources and act on them by kind, for example collecting every inline image while ignoring the style sheets.

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;  Demonstrates the GetRelatedContentType method, which returns the Content-Type of the Nth
;  related content item in an email.  The index is zero-based.

$oEmail = ObjCreate("Chilkat.Email")
$oEmail.Subject = "GetRelatedContentType example"

;  The HTML references the style sheet by name (Content-Location).
$oEmail.SetHtmlBody "<html><head><link rel=""stylesheet"" href=""styles.css""/></head><body>Styled.</body></html>"

;  Add the related style sheet (index 0).
$oEmail.AddRelatedString2 "styles.css","body { color: navy; }","utf-8"

;  Read the Content-Type of the first related item (index 0).
Local $sCt = $oEmail.GetRelatedContentType(0)
ConsoleWrite("Related item 0 Content-Type: " & $sCt & @CRLF)