* END (Display the bottom of the active window)
* HOME (Display the top of the active window)
* NUM LOCK+Asterisk sign (*) (Display all of the subfolders that are under the selected folder)
* NUM LOCK+Plus sign (+) (Display the contents of the selected folder)
* NUM LOCK+Minus sign (-) (Collapse the selected folder)
* LEFT ARROW (Collapse the current selection if it is expanded, or select the parent folder)
* RIGHT ARROW (Display the current selection if it is collapsed, or select the first subfolder)