buttonbar and menu popup

[Silvio.Falconi]

in the buttonbar I have a button that calls a menuupopup
how do I remove the black arrow (red circle),

I don't remember how it could be done

Code: Select all  Expand view  RUN

  DEFINE BUTTON OF oBar PROMPT "Tabelle" RESOURCE "BTN_TABELLE" ;
    MENU MenuTabelle()