a service which provides information about the user interface command
categories of a single module.
Every OpenOffice.org module has an amount of commands that can be used by
user interface elements. This service provides access to the user interface
commands that are part of a single OpenOffice.org module, like Writer
or Calc.
provides access to user interface command categories of an installed
module.
An implementation must provide a language dependent string which
can be used by a UI to display the category name.
The key to a user interface command category depends on the specific
implementation. OpenOffice.org uses a pre-defined number of
identifiers defined in
::com::sun:star::frame::CommandGroup.
