clicking the green triangle

a lot of these posts for changing the subtotal value talk about
clicking on the green triangle. I do that, but nothing happens. Do I
need to enable something?Right-click the green triangle & select properties from the context-sensitive
menu.
HTH,
Magendo_man
"M@." wrote:
> a lot of these posts for changing the subtotal value talk about
> clicking on the green triangle. I do that, but nothing happens. Do I
> need to enable something?
>