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Count the Attachments in an Email

Demonstrates the read-only Chilkat Email.NumAttachments property, which is the number of ordinary attachments in the email. Attachment indexes are zero-based. Related resources inside a multipart/related enclosure are counted separately by NumRelatedItems, and embedded message/rfc822 emails by NumAttachedMessages. This example adds two attachments and prints the count.

Background: An "attachment" is a MIME part meant to be saved or opened as a separate file, as opposed to being displayed as the message body. Chilkat decides whether a part is an attachment by weighing its MIME structure, content type, and Content-Disposition together — so a part can count as an attachment even without an explicit Content-Disposition: attachment header. Note that if an email was downloaded from an IMAP server without its attachment data, this property reflects only what is actually present in the object.

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LOCAL oEmail

//  Demonstrates the read-only Email.NumAttachments property, which is the number
//  of ordinary attachments contained in the email.  Attachment indexes are zero-based.

oEmail := CreateObject("Chilkat.Email")
oEmail:Subject := "Email with attachments"
oEmail:Body := "Two files are attached."

//  Add two string attachments.
oEmail:AddStringAttachment("readme.txt", "This is the first attachment.")
oEmail:AddStringAttachment("notes.txt", "This is the second attachment.")

? "NumAttachments = " + Str(oEmail:NumAttachments)

oEmail:destroy()