Holds the list of icons to show as
default when in 'Customized'
vs. 'Enhanced'
layout modes:

Figure 302 – Preferences, User Interface tab – Top section

Figure 303 – Preferences, User Interface tab – Middle section

Figure 304 – Preferences, User Interface tab – Bottom section
•Main and independent windows icons visibility:
When selected, the related icons will
be shown in 'Customized'
layout mode (see par. 1.3)
•Number Of Layput Icons:
Number of user defined layout icons
to show
(see par.1.2.1)