allows to associate arbitrary properties with the form component
Every concrete form component - i.e. every service which includes
the FormComponent service - has a set of properties which
are available as long as the component lives - the so-called static
properties.
Additionally, you can add more properties to the component as needed,
using the ::com::sun::star::beans::XPropertyContainer interface.
Those properties are called dynamic properties.
Dynamic properties are not evaluated by the component itself,
nor by the form's runtime environment. They're only remembered and available for
use by other instances.
Note that dynamic properties added to a form component are, by definition,
removeable. That is, the ::com::sun::star::beans::PropertyAttribute::REMOVEABLE
will always be set, even if you do not specify it in the
::com::sun::star::beans::XPropertyContainer::addProperty call.
