diff --git a/EGkCurveByApprox.h b/EGkCurveByApprox.h
index 1ae61aa..f6af2ec 100644
--- a/EGkCurveByApprox.h
+++ b/EGkCurveByApprox.h
@@ -1,13 +1,13 @@
 //----------------------------------------------------------------------------
-//  EgalTech 2015-2015
+//  EgalTech 2015-2023
 //----------------------------------------------------------------------------
-// File : EGkCurveByApprox.h      Data : 23.07.15       Versione : 1.6g7
+// File : EGkCurveByApprox.h      Data : 28.07.23       Versione : 2.5g3
 // Contenuto : Dichiarazione della classe CurveByApprox.
 //
 //
 //
 // Modifiche : 23.07.15 DS Creazione modulo.
-//
+//             28.07.23 DS GetArcs e GetArcsCorner.
 //
 //----------------------------------------------------------------------------
 
@@ -35,10 +35,11 @@ class CurveByApprox
       EGK_EXPORT bool Reset( void) ;
       EGK_EXPORT bool AddPoint( const Point3d& ptP) ;
       EGK_EXPORT ICurve* GetCurve( int nType, double dLinTol, double dAngTolDeg, double dLinFea) ;
-      EGK_EXPORT bool GetArcs( double dLinTol, double dAngTolDeg, double dLinFea, PolyArc& PA) ;
+      EGK_EXPORT bool GetArcs( double dLinTol, double dAngTolDeg, PolyArc& PA) ;
+      EGK_EXPORT bool GetArcsCorner( double dLinTol, double dAngTolDeg, double dLinFea, PolyArc& PA) ;
 
    public :
-      enum TYPE { ARCS_CORNER = 1, CUBIC_BEZIERS = 2} ;
+      enum TYPE { ARCS = 0, ARCS_CORNER = 1, CUBIC_BEZIERS = 2} ;
 
    private :
       bool CalcParameterization( void) ;