(DataFlex) Transition from Imap.FetchSingle to Imap.FetchEmail

Provides instructions for replacing deprecated FetchSingle method calls with FetchEmail.

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 hoImap
    Variant vEmailObj
    Handle hoEmailObj
    Boolean iHeaderOnly
    Variant vEmail
    Handle hoEmail
    Boolean iSuccess
    String sTemp1
    Boolean bTemp1

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

    // ...
    // ...

    // ------------------------------------------------------------------------
    // The FetchSingle method is deprecated:

    Get ComFetchSingle Of hoImap 1 False To vEmailObj
    If (IsComObject(vEmailObj)) Begin
        Get Create (RefClass(cComChilkatEmail)) To hoEmailObj
        Set pvComObject Of hoEmailObj To vEmailObj
    End
    Get ComLastMethodSuccess Of hoImap To bTemp1
    If (bTemp1 = False) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // ...
    // ...

    Send Destroy of hoEmailObj

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

    Move False To iHeaderOnly

    Get Create (RefClass(cComChilkatEmail)) To hoEmail
    If (Not(IsComObjectCreated(hoEmail))) Begin
        Send CreateComObject of hoEmail
    End
    Get pvComObject of hoEmail to vEmail
    Get ComFetchEmail Of hoImap iHeaderOnly 1 False vEmail To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoImap To sTemp1
        Showln sTemp1
        Procedure_Return
    End



End_Procedure