(DataFlex) Delete Email Individually (One at a time) from an IMAP Mailbox

Downloads email from an IMAP mailbox and deletes emails individually (one by one).

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoImap
    Boolean iFetchUids
    Variant vMessageSet
    Handle hoMessageSet
    Variant vBundle
    Handle hoBundle
    Boolean iHeadersOnly
    Variant vEmail
    Handle hoEmail
    Integer i
    Integer iNumEmails
    String sTemp1

    Move False To iSuccess

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    Get Create (RefClass(cComChilkatImap)) To hoImap
    If (Not(IsComObjectCreated(hoImap))) Begin
        Send CreateComObject of hoImap
    End

    // Connect to an IMAP server.
    // Use TLS
    Set ComSsl Of hoImap To True
    Set ComPort Of hoImap To 993
    Get ComConnect Of hoImap "imap.someMailServer.com" To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Login
    Get ComLogin Of hoImap "myLogin" "myPassword" To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Select an IMAP mailbox
    Get ComSelectMailbox Of hoImap "Inbox" To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // We can choose to fetch UIDs or sequence numbers.
    Move True To iFetchUids

    // Get the message IDs of all the emails in the mailbox
    Get Create (RefClass(cComChilkatMessageSet)) To hoMessageSet
    If (Not(IsComObjectCreated(hoMessageSet))) Begin
        Send CreateComObject of hoMessageSet
    End
    Get pvComObject of hoMessageSet to vMessageSet
    Get ComQueryMbx Of hoImap "ALL" iFetchUids vMessageSet To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Fetch the emails into a bundle object:
    Get Create (RefClass(cComChilkatEmailBundle)) To hoBundle
    If (Not(IsComObjectCreated(hoBundle))) Begin
        Send CreateComObject of hoBundle
    End
    Move False To iHeadersOnly
    Get pvComObject of hoMessageSet to vMessageSet
    Get pvComObject of hoBundle to vBundle
    Get ComFetchMsgSet Of hoImap iHeadersOnly vMessageSet vBundle To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // To mark a complete set of emails for deletion, call SetFlags:
    Get pvComObject of hoMessageSet to vMessageSet
    Get ComSetFlags Of hoImap vMessageSet "Deleted" 1 To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Messages can also be marked for deletion individually:
    // Loop over the bundle and mark each message for deletion.
    Get Create (RefClass(cComChilkatEmail)) To hoEmail
    If (Not(IsComObjectCreated(hoEmail))) Begin
        Send CreateComObject of hoEmail
    End
    Move 0 To i
    Get ComMessageCount Of hoBundle To iNumEmails
    While (i < iNumEmails)
        Get pvComObject of hoEmail to vEmail
        Get ComEmailAt Of hoBundle i vEmail To iSuccess

        Get ComFrom Of hoEmail To sTemp1
        Showln sTemp1
        Get ComSubject Of hoEmail To sTemp1
        Showln sTemp1

        // To delete this email, set the "Deleted" flag to 1.
        // The email is not actually deleted until Expunge or
        // ExpungeAndClose is called.
        Get pvComObject of hoEmail to vEmail
        Get ComSetMailFlag Of hoImap vEmail "Deleted" 1 To iSuccess
        If (iSuccess = False) Begin
            Get ComLastErrorText Of hoImap To sTemp1
            Showln sTemp1
            Procedure_Return
        End

        Showln "--"

        Move (i + 1) To i
    Loop

    Get ComExpungeAndClose Of hoImap To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Disconnect from the IMAP server.
    Get ComDisconnect Of hoImap To iSuccess


End_Procedure