diff --git a/EGkCurveAux.h b/EGkCurveAux.h
index 05221eb..4ece83e 100644
--- a/EGkCurveAux.h
+++ b/EGkCurveAux.h
@@ -94,3 +94,7 @@ EGK_EXPORT bool CalcCurveMedialAxis( const ICurve& crvC, ICURVEPOVECTOR& vCrvs,
 //----------------------------------------------------------------------------
 //! Calcola l'offset completo di una curva
 EGK_EXPORT bool CalcCurveFatCurve( const ICurve& crvC, ICURVEPOVECTOR& vCrvs, double dRadius, bool bSquareEnds, bool bSquareMids) ;
+
+//----------------------------------------------------------------------------
+//! Resetta l'oggetto voronoi associato alla curva liberandone la memoria
+EGK_EXPORT void ResetCurveVoronoi( const ICurve& crvC) ;
\ No newline at end of file
diff --git a/EGkSurfFlatRegion.h b/EGkSurfFlatRegion.h
index d975ded..b076359 100644
--- a/EGkSurfFlatRegion.h
+++ b/EGkSurfFlatRegion.h
@@ -51,6 +51,7 @@ class __declspec( novtable) ISurfFlatRegion : public ISurf
       virtual int  GetChunkSimpleClassification( int nChunk, const ISurfFlatRegion& Other, int nOthChunk) const ;   // compare only outsides
       virtual bool CalcVoronoiDiagram( ICURVEPOVECTOR& vCrvs, int nBound = 3) const = 0 ;
       virtual bool CalcMedialAxis( ICURVEPOVECTOR& vCrvs, int nSide = 1) const = 0 ;
+      virtual void ResetVoronoiObject( void) const = 0 ;
 } ;
 
 //-----------------------------------------------------------------------------