DataFlex

Check if a MIME Entity is Multipart

Demonstrates the Chilkat Mime.IsMultipart method, which returns whether the Content-Type begins with multipart/. It takes no arguments.

Note: The file path is relative to the application's current working directory. Absolute paths may also be used. Supply the path to your own file.

Background: The first question when processing a message is usually whether it is a single part or a container of parts, because that decides whether you read the body directly or iterate children. IsMultipart answers it for any of the multipart subtypes at once; use the more specific predicates when the exact subtype matters.

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DataFlex

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoMime
    String sTemp1
    Boolean bTemp1

    Move False To iSuccess

    //  Demonstrates the Mime.IsMultipart method, which returns whether the Content-Type begins with multipart/.  It takes no arguments.

    Get Create (RefClass(cComChilkatMime)) To hoMime
    If (Not(IsComObjectCreated(hoMime))) Begin
        Send CreateComObject of hoMime
    End
    Get ComLoadMimeFile Of hoMime "qa_data/multipart_message.eml" To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoMime To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComIsMultipart Of hoMime To bTemp1
    If (bTemp1) Begin
        Showln "This is a multipart entity."
    End
    Else Begin
        Showln "This is not a multipart entity."
    End



End_Procedure