AutoIt

Set the Charset of an Attachment

Demonstrates the Chilkat Email.SetAttachmentCharset method, which sets the charset parameter of the Content-Type header field for the attachment at a given zero-based index. This example adds a text attachment and sets its charset to utf-8.

Background: For a text attachment, the charset parameter tells the receiving client which character encoding the bytes use, so accented or non-Latin text renders correctly. Setting it explicitly (typically utf-8) removes ambiguity when the attachment contains non-ASCII content — without it, a client may guess wrong and display garbled characters.

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Local $bSuccess = False

;  Demonstrates the SetAttachmentCharset method, which sets the charset parameter of the
;  Content-Type header field for the attachment at the given zero-based index.

$oEmail = ObjCreate("Chilkat.Email")
$oEmail.Subject = "Set attachment charset"

$oEmail.AddStringAttachment("notes.txt","Some notes.")

;  Set the charset of the first attachment (index 0) to utf-8.
$bSuccess = $oEmail.SetAttachmentCharset(0,"utf-8")
If ($bSuccess = False) Then
    ConsoleWrite($oEmail.LastErrorText & @CRLF)
    Exit
EndIf

;  The attachment's Content-Type now includes charset="utf-8".
ConsoleWrite($oEmail.GetMime() & @CRLF)