describes the internal structure of a configurable user interface element.
No assumption is made about any graphical representation:
You could have a menu or a toolbar working with the same UIElementSettings
although limitations based on the real user interface element may be visible.
provides access to the structure of the user interface element.
The container contains the items of the user interface element. Every
item is stored as a sequence of ::com::sun::star::beans::PropertyValue.
The properties insides the sequence are defined by the service ItemDescriptor.
It depends on the function which provides these service if the container is shareable read-only or exclusive writeable.
provides access to an optional factory interface to create sub container.
The factory should be used to create sub container within this user interface element settings. This interface is only
available if the container is exclusive writable.
