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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 
