diff --git a/EGkOffsetCurve.h b/EGkOffsetCurve.h
new file mode 100644
index 0000000..4ad9d72
--- /dev/null
+++ b/EGkOffsetCurve.h
@@ -0,0 +1,37 @@
+//----------------------------------------------------------------------------
+//  EgalTech 2015-2015
+//----------------------------------------------------------------------------
+// File : EGkOffsetCurve.h       Data : 23.09.15       Versione : 1.6i8
+// Contenuto : Dichiarazione classe per offset di ICurve.
+//
+//
+// Modifiche : 23.09.15 DS Creazione modulo.
+//
+//
+//----------------------------------------------------------------------------
+
+#pragma once
+
+#include "/EgtDev/Include/EGkCurve.h"
+
+//----------------------- Macro per import/export ----------------------------
+#undef EGK_EXPORT
+#if defined( I_AM_EGK)            // da definirsi solo nella DLL
+   #define EGK_EXPORT __declspec( dllexport)
+#else
+   #define EGK_EXPORT __declspec( dllimport)
+#endif
+
+//----------------------------------------------------------------------------
+class OffsetCurve
+{
+   public :
+      EGK_EXPORT ~OffsetCurve( void) ;
+
+   public :
+      EGK_EXPORT bool Make( const ICurve* pCrv, double dDist, int nType) ;
+      EGK_EXPORT ICurve* GetCurve( void) ;
+
+   private :
+      ICURVEPLIST m_CrvLst ;
+} ;
\ No newline at end of file
diff --git a/EInAPI.h b/EInAPI.h
index a27990d..fb5217c 100644
--- a/EInAPI.h
+++ b/EInAPI.h
@@ -340,6 +340,7 @@ EIN_EXPORT int  __stdcall EgtSplitText( int nId, int* pnCount) ;
 // GeomDb Curve Modify
 EIN_EXPORT BOOL __stdcall EgtInvertCurve( int nId) ;
 EIN_EXPORT BOOL __stdcall EgtOffsetCurve( int nId, double dDist, int nType) ;
+EIN_EXPORT int  __stdcall EgtOffsetCurveAdv( int nId, double dDist, int nType, int* pnCount) ;
 EIN_EXPORT BOOL __stdcall EgtApproxCurve( int nId, int nApprType, double dLinTol) ;
 EIN_EXPORT BOOL __stdcall EgtChangeClosedCurveStartPoint( int nId, const double ptP[3], int nRefType) ;
 EIN_EXPORT BOOL __stdcall EgtModifyCurveStartPoint( int nId, const double ptP[3], int nRefType) ;
diff --git a/EXeExecutor.h b/EXeExecutor.h
index f616452..1f8ae85 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -341,6 +341,7 @@ EXE_EXPORT int  ExeSplitText( int nId, int* pnCount) ;
 // GeomDb Curve Modify
 EXE_EXPORT bool ExeInvertCurve( const INTVECTOR& vIds) ;
 EXE_EXPORT bool ExeOffsetCurve( int nId, double dDist, int nType) ;
+EXE_EXPORT int  ExeOffsetCurveAdv( int nId, double dDist, int nType, int* pnCount) ;
 EXE_EXPORT bool ExeApproxCurve( int nId, int nApprType, double dLinTol) ;
 EXE_EXPORT bool ExeProjectCurveOnPlane( int nId, const Point3d& ptOn, const Vector3d& vtN, int nRefType) ;
 EXE_EXPORT bool ExeChangeClosedCurveStartPoint( int nId, const Point3d& ptP, int nRefType) ;