Checks to see if the icon theme has changed; if it has, any currently cached information is discarded and will be reloaded next time @icon_theme is accessed.
%TRUE if the icon theme has changed and needed to be reloaded.
2.4
See Implementation
Checks to see if the icon theme has changed; if it has, any currently cached information is discarded and will be reloaded next time @icon_theme is accessed.