In the SRC files, you can set options related to the display of 3D options in the user interface, including menu and toolbar items.
To disable the Preferences, Toolbar submenu:
1. Open the SRC file in a text editor.
In the [System] section:
2. Type allow 3D interface=0.
3. Save the SRC file and compile it. (For details, see Compiling a CFG file.)
For information on defining menu items, see Setting commands that appear in a menu and 3D menu command identifiers.
See also
3D document window command identifiers