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#ifndef __com_sun_star_chart_XChartDataChangeEventListener_idl__
#define __com_sun_star_chart_XChartDataChangeEventListener_idl__

#ifndef __com_sun_star_lang_XEventListener_idl__
#include <com/sun/star/lang/XEventListener.idl>
#endif

#ifndef __com_sun_star_chart_ChartDataChangeEvent_idl__
#include <com/sun/star/chart/ChartDataChangeEvent.idl>
#endif


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

 module com {  module sun {  module star {  module chart {

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

/** makes it possible to receive events when chart data changes.
 */
published interface XChartDataChangeEventListener: com::sun::star::lang::XEventListener
{
    //-------------------------------------------------------------------------

    /** is called whenever chart data changes in value or structure.

        <p>This interface must be implemented by components that wish
        to get notified of changes in chart data.  They can be
        registered at an <type>XChartData</type> component.</p>

        @param aEvent
            the event that gives further information on what changed.

        @see ChartDataChangeEvent
        @see XChartData
     */
    void chartDataChanged( [in] com::sun::star::chart::ChartDataChangeEvent aEvent );

};

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

}; }; }; };

#endif
