Ah, it's a "feature"! Not surprised -- I had noticed similar behavior with another set of report listener classes.
Thanks for the guidance, Naomi.

=====================

>Put SET CONSOLE OFF before running it. It's a bug in VFP, not in XFRX, and was discussed here before.
>
>>After successfully instantiating an XFRX listener, I set it to produce an XFF file in memory with no name
>>with the following command --
>>
>>loXFRXListener.SetParams("",,,,,,"XFF")
>>
>>Then I issue the REPORT FORM statement using the following format --
>>REPORT FORM ... OBJECT loXFRXListener
>>
>>In the course of successfully generating the XFF, the following is displayed within
>>the active window --
>>
>>.T.
>>GFXNORENDER
>>_REPORTLISTENER.VCX
>>_REPORTLISTENER.VCX
>>_REPORTLISTENER.VCX
>>End of Locate Scope
>>.F.
>>.T.
>>.T.
>>
>>I then run and show an XFRX preview form, and the report output displays correctly within it.
>>
>>Any suggestions on why I am getting the feedback during the XFF generation? And how
>>can I suppress it?
>>
>>TIA,
>>-mark