diff --git a/EGkCurveBezier.h b/EGkCurveBezier.h
index c94341c..9eb91ee 100644
--- a/EGkCurveBezier.h
+++ b/EGkCurveBezier.h
@@ -28,6 +28,7 @@ class __declspec( novtable) ICurveBezier : public ICurve
       virtual bool Init( int nDeg, bool bIsRational) = 0 ;
       virtual bool SetControlPoint( int nInd, const Point3d& ptCtrl) = 0 ;
       virtual bool SetControlPoint( int nInd, const Point3d& ptCtrl, double dW) = 0 ;
+      virtual bool SetControlWeight( int nInd, double dW) = 0 ;
       virtual bool FromArc( const ICurveArc& crArc) = 0 ;
       virtual bool FromLine( const ICurveLine& crLine) = 0 ;
       virtual int  GetDegree( void) const = 0 ;
diff --git a/EGkSurfBezier.h b/EGkSurfBezier.h
index 21487f9..aecaeaf 100644
--- a/EGkSurfBezier.h
+++ b/EGkSurfBezier.h
@@ -76,6 +76,7 @@ class __declspec( novtable) ISurfBezier : public ISurf
       virtual bool CreateByFlatContour( const PolyLine& PL) = 0 ;
       virtual bool CreateByRegion( const POLYLINEVECTOR& vPL) = 0 ;
       virtual bool CreateByExtrusion( const ICurve* pCrv, const Vector3d& vtExtr, bool bDeg3OrDeg2 = false) = 0 ;
+      virtual bool CreateByScrewing( const ICurve* pCurve, const Point3d& ptAx, const Vector3d& vtAx, double dAngRotDeg, double dMove) = 0 ;
 } ;
 
 //-----------------------------------------------------------------------------
diff --git a/EXeExecutor.h b/EXeExecutor.h
index a5ee97d..f59595e 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -725,7 +725,7 @@ EXE_EXPORT bool ExeCurveCompoCenter( int nId, int nSimpCrv, int nRefId, Point3d&
 EXE_EXPORT bool ExeCurveCompoRadius( int nId, int nSimpCrv, double& dRad) ;
 EXE_EXPORT bool ExeCurveCompoAngCenter( int nId, int nSimpCrv, double& dAngCen) ;
 EXE_EXPORT bool ExeCurveCompoNormVersor( int nId, int nSimpCrv, int nRefId, Vector3d& vtNorm) ;
-EXE_EXPORT int  ExeShowBezierCurveControlPoints( int nCrvId, int* pnCount) ;
+EXE_EXPORT int  ExeShowCurveBezierControlPoints( int nCrvId, int* pnCount) ;
 
 // GeomDb Surf Get
 EXE_EXPORT bool ExeSurfArea( int nId, double& dArea) ;
@@ -779,7 +779,7 @@ EXE_EXPORT bool ExeSurfBezierGetInfo( int nSurfId, int& nDegU, int& nDegV, int&
 EXE_EXPORT int  ExeSurfBezierGetControlCurveU( int nSurfId, int nIndV, int nDestGrpId) ;
 EXE_EXPORT int  ExeSurfBezierGetControlCurveV( int nSurfId, int nIndU, int nDestGrpId) ;
 EXE_EXPORT int  ExeExtractSurfBezierLoops( int nId, int nDestGrpId, int* pnCount) ;
-EXE_EXPORT int  ExeShowBezierSurfaceControlPoints( int nSrfId, int* pnCount) ;
+EXE_EXPORT int  ExeShowSurfBezierControlPoints( int nSrfId, int* pnCount) ;
 
 // GeomDb Volume Get
 EXE_EXPORT bool ExeVolZmapVolume( int nId, double& dVol) ;