Select the Configure
icon in the corner of the bottom pane -> Show Fewer Buttons.Each time you select Show Fewer Buttons, the component name appears as an icon in the bottom pane of Application Designer.
To make the icon appear as a button, select Show More Buttons.
For a quick way to change the appearance in Navigation Pane, place your pointer over the horizontal splitter bar between the directory frame and the buttons. When the pointer turns into a double-headed arrow, you can drag the splitter bar up or down.