DataFlex

Get the Filename of an Attachment

Demonstrates the Chilkat Email.GetAttachmentFilename method, which retrieves an attachment's filename as stored in the MIME. The index is zero-based. This example adds an attachment and reads its filename.

Background: An attachment's filename comes from the sender's message and is not guaranteed to be safe or unique — it may include path separators or characters that are awkward on the local filesystem, and two attachments can share a name. When saving attachments to disk, treat this value as untrusted input: sanitize it and guard against collisions (see the OverwriteExisting property, which can auto-generate unique names).

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Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoEmail
    Boolean iSuccess
    String sFname

    //  Demonstrates the GetAttachmentFilename method, which retrieves an attachment's filename
    //  (as stored in the MIME).  The index is zero-based.

    Get Create (RefClass(cComChilkatEmail)) To hoEmail
    If (Not(IsComObjectCreated(hoEmail))) Begin
        Send CreateComObject of hoEmail
    End
    Set ComSubject Of hoEmail To "Attachment filename"

    Get ComAddStringAttachment Of hoEmail "notes.txt" "Some notes." To iSuccess

    //  Get the filename of the first attachment (index 0).
    Get ComGetAttachmentFilename Of hoEmail 0 To sFname
    Showln "Attachment 0 filename: " sFname


End_Procedure