To toggle the display of tree lines in the Features and Filters panes
Right-click in the Features or Filters pane whose tree lines you want to display and then select the Show Tree Lines command from the popup menu that is displayed.
Tree lines linking hierarchy nodes are then displayed in the pane or removed from display in the pane.
A check mark (✓) is displayed to the left of the command in the popup menu when tree lines are displayed in the Features or Filters pane.