special dispatcher for non visible contents, e.g. sounds
This handler doesn't need any frame as target for loading components.
Content handler are registered for content types.
(See type/filter configuration of ::com::sun::star::document::TypeDetection
for further informations) If generic load mechanism found such documents which
can be handled by a ContentHandler it will create and use it.
provides handling of dispatches with defined result state
Base interface of ::com::sun::star::frame::XNotifyingDispatch is ::com::sun::star::frame::XDispatch
and can be called for requests if result isn't neccessary for dispatch operation.