All Cimatron E information trees and Feature Guides can be hidden or closed to increase the viewable display area.
Auto Hiding an information tree collapses the tree to the left margin of the display area to increase the viewable display area. The tree can easily be recalled by mousing over the collapsed tree name. In Auto Hide mode, whenever the tree is not being used, it is collapsed.
To Auto Hide a tree:
Pick the Auto
Hide icon when it is vertical 
.
The tree is now collapses to the left margin of the display area.
To recall a collapsed tree:
Move your mouse cursor over the name of the collapsed tree.
The tree is now displayed and all the usual operations can be carried out on it.
To stop Auto Hide:
Pick the Auto
Hide icon when it is horizontal 
.
The tree will now be displayed at all times.
Closing an information tree maximizes the viewable display area. The tree can easily be displayed again by selecting View / Panes / Tree from the Main Menu.
To Close a tree:
Pick the tree Close
icon 
.
The tree is closed, maximizing the viewable display area.