// If the user wants the group destroyed, remember that fact and clear

    // the flag, in case it is used again in the callback.

    local boolean wantDestroy = bj_wantDestroyGroup

    set bj_wantDestroyGroup = false

    set bj_groupCountUnits = 0

    call ForGroup(g, function CountUnitsInGroupEnum)

    // If the user wants the group destroyed, do so now.

    if (wantDestroy) then

        call DestroyGroup(g)

    endif

    return bj_groupCountUnits

endfunction