diff --git a/EGkSurfAux.h b/EGkSurfAux.h
index 15254a2..9a64191 100644
--- a/EGkSurfAux.h
+++ b/EGkSurfAux.h
@@ -59,3 +59,8 @@ struct SNurbsSurfData
 //! Trasforma una superficie Nurbs standard in una nuova superficie di Bezier semplice o composta
 EGK_EXPORT bool NurbsSurfaceCanonicalize( SNurbsSurfData& snData) ;
 EGK_EXPORT ISurf* NurbsToBezierSurface( const SNurbsSurfData& snData) ;
+//! Per rendere uniforme lo spazio parametrico passando da Nurbs a MultiBezier
+EGK_EXPORT bool MakeUniform( ISurfFlatRegion*& pSfr, bool& bRescaled, const DBLVECTOR& vU0, const DBLVECTOR& vV0,
+                             int nDegU, int nDegV, double dScaleU, double dScaleV, bool bRetry) ;
+//! Per identificare su che edge è il punto
+EGK_EXPORT bool OnWhichEdge( double u0, double u1, double v0, double v1, const Point3d& ptToAssign, int& nEdge) ;
diff --git a/EGkSurfBezier.h b/EGkSurfBezier.h
index 391f9ee..d7a87cc 100644
--- a/EGkSurfBezier.h
+++ b/EGkSurfBezier.h
@@ -1,7 +1,7 @@
 //----------------------------------------------------------------------------
-//  EgalTech 2020-2020
+// EgalTech 2020-2024
 //----------------------------------------------------------------------------
-// File : EGkSurfBezier.h      Data : 22.03.20          Versione : 2.2c3
+// File : EGkSurfBezier.h      Data : 10.04.24          Versione : 2.6d2
 // Contenuto : Dichiarazione della interfaccia ISurfBezier.
 //
 //
@@ -73,8 +73,6 @@ class __declspec( novtable) ISurfBezier : public ISurf
       virtual bool IncreaseUV( double& dU, double dx, bool bUOrV, double* dUVCopy = nullptr, bool bModifyOrig = true) const = 0 ;
       virtual bool IncreaseUV( Point3d& ptUV, Vector3d vtH , Point3d* ptUVCopy, bool bModifyOrig) const = 0 ;
       virtual bool GetLoops( ICRVCOMPOPOVECTOR& vCC, bool bLineOrBezier, int nEdge = -1) const = 0 ;
-      virtual bool MakeUniform( ISurfFlatRegion** sfr, DBLVECTOR& vU, DBLVECTOR& vV, double dScaleU, double dScaleV, bool& bRescaled, bool bRetry) const = 0 ;
-      virtual bool OnWhichEdge( double u0, double u1, double v0, double v1, int& nEdge, Point3d ptToAssign) const = 0 ;
 } ;
 
 //-----------------------------------------------------------------------------
diff --git a/EInAPI.h b/EInAPI.h
index 6e0441f..bd59232 100644
--- a/EInAPI.h
+++ b/EInAPI.h
@@ -119,7 +119,7 @@ EIN_EXPORT BOOL __stdcall EgtImportStl( const wchar_t* wsFilePath, double dScale
 EIN_EXPORT BOOL __stdcall EgtImport3MF( const wchar_t* wsFilePath) ;
 EIN_EXPORT BOOL __stdcall EgtImport3dm( const wchar_t* wsFilePath) ;
 EIN_EXPORT BOOL __stdcall EgtAdvancedImportIsEnabled( void) ;
-EIN_EXPORT BOOL __stdcall EgtAdvancedImport( const wchar_t* wsFilePath, double dLinToler) ;
+EIN_EXPORT BOOL __stdcall EgtAdvancedImport( const wchar_t* wsFilePath, double dLinToler, int nFlag) ;
 EIN_EXPORT BOOL __stdcall EgtExportDxf( int nId, const wchar_t* wsFilePath, int nFlag, int nFilter) ;
 EIN_EXPORT BOOL __stdcall EgtExportStl( int nId, const wchar_t* wsFilePath, int nFilter) ;
 EIN_EXPORT BOOL __stdcall EgtExport3MF( int nId, const wchar_t* wsFilePath, int nFilter) ;
diff --git a/EXeExecutor.h b/EXeExecutor.h
index 2bf02af..c4810b0 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -127,7 +127,7 @@ EXE_EXPORT bool ExeImportStl( const std::string& sFilePath, double dScaleFactor)
 EXE_EXPORT bool ExeImport3MF( const std::string& sFilePath) ;
 EXE_EXPORT bool ExeImport3dm( const std::string& sFilePath) ;
 EXE_EXPORT bool ExeAdvancedImportIsEnabled( void) ;
-EXE_EXPORT bool ExeAdvancedImport( const std::string& sFilePath, double dToler = 0.1) ;
+EXE_EXPORT bool ExeAdvancedImport( const std::string& sFilePath, double dToler = 0.1, int nFlag = 0) ;
 EXE_EXPORT bool ExeExportDxf( int nId, const std::string& sFilePath, int nFlag = 1, int nFilter = 393) ;
 EXE_EXPORT bool ExeExportStl( int nId, const std::string& sFilePath, int nFilter = 393) ;
 EXE_EXPORT bool ExeExport3MF( int nId, const std::string& sFilePath, int nFilter = 393) ;