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#ifndef __com_sun_star_form_XChangeBroadcaster_idl__
#define __com_sun_star_form_XChangeBroadcaster_idl__

#ifndef __com_sun_star_uno_XInterface_idl__
#include <com/sun/star/uno/XInterface.idl>
#endif

#ifndef __com_sun_star_form_XChangeListener_idl__
#include <com/sun/star/form/XChangeListener.idl>
#endif


//=============================================================================

 module com {  module sun {  module star {  module form {

//=============================================================================

/** provides functionality to notify listeners of data changes.

    <p>The concrete semantics of a change (i.e. the conditions for when a change event
    is fired) must be specified in the service description of the providing service.</p>

    @see XChangeListener
 */
published interface XChangeBroadcaster: com::sun::star::uno::XInterface
{
    //-------------------------------------------------------------------------

    /** adds the specified listener to receive the "changed" event.

        @param aListener
            the listener to add.

        @see com::sun::star::form::XChangeListener
     */
    [oneway] void addChangeListener( [in] com::sun::star::form::XChangeListener aListener );

    //-------------------------------------------------------------------------

    /** removes the specified listener.

        @param aListener
            the listener to remove.

        @see com::sun::star::form::XChangeListener
     */
    [oneway] void removeChangeListener( [in] com::sun::star::form::XChangeListener aListener );

};

//=============================================================================

}; }; }; };

/*=============================================================================

=============================================================================*/
#endif
