(DataFlex) Transition from MailMan.FetchEmail to MailMan.FetchByUidl

Provides instructions for replacing deprecated FetchEmail method calls with FetchByUidl.

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
    Handle hoMailman
    String sUidl
    Variant vEmailObj
    Handle hoEmailObj
    Boolean iHeaderOnly
    Integer iNumBodyLines
    Variant vEmailOut
    Handle hoEmailOut
    Boolean iSuccess
    String sTemp1
    Boolean bTemp1

    Get Create (RefClass(cComChilkatMailMan)) To hoMailman
    If (Not(IsComObjectCreated(hoMailman))) Begin
        Send CreateComObject of hoMailman
    End

    // ...
    // ...

    Move "123" To sUidl

    // ------------------------------------------------------------------------
    // The FetchEmail method is deprecated:

    Get ComFetchEmail Of hoMailman sUidl To vEmailObj
    If (IsComObject(vEmailObj)) Begin
        Get Create (RefClass(cComChilkatEmail)) To hoEmailObj
        Set pvComObject Of hoEmailObj To vEmailObj
    End
    Get ComLastMethodSuccess Of hoMailman To bTemp1
    If (bTemp1 = False) Begin
        Get ComLastErrorText Of hoMailman To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // ...
    // ...

    Send Destroy of hoEmailObj

    // ------------------------------------------------------------------------
    // Do the equivalent using FetchByUidl.
    // Your application creates a new, empty Email object which is passed 
    // in the last argument and filled upon success.

    Move False To iHeaderOnly
    // Irrelevant because we are not downloading headers-only.
    Move 0 To iNumBodyLines

    Get Create (RefClass(cComChilkatEmail)) To hoEmailOut
    If (Not(IsComObjectCreated(hoEmailOut))) Begin
        Send CreateComObject of hoEmailOut
    End
    Get pvComObject of hoEmailOut to vEmailOut
    Get ComFetchByUidl Of hoMailman sUidl iHeaderOnly iNumBodyLines vEmailOut To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoMailman To sTemp1
        Showln sTemp1
        Procedure_Return
    End



End_Procedure