When using Ctrl+Tab to switch between open windows in Origin workspace, a Window Switcher displays preview of all open windows in folder. Window Switcher begins display at Ctrl+Tab and remains visible until Ctrl is released.
System variable @CTN (default=1), @CTN =0 to turn off this feature.
doc -nav; /// Labtalk command to show the navigator window
System variable @PPBW (default 800) is added to control the intermediate bitmap width when creating the page preview