diff --git a/vroni/Include/vroni_object.h b/vroni/Include/vroni_object.h
index 87fe01a..d26239c 100644
--- a/vroni/Include/vroni_object.h
+++ b/vroni/Include/vroni_object.h
@@ -3095,14 +3095,17 @@ public :
    vr_bool GetApproxedBisectorPoint( int nEdge, int nPointIdx, double pt[3], double& dPar) ;
    vr_bool GetDegenerateHyperEllipticBisectorData( int nEdge, double ptS[3], double ptE[3], double ptC[3], double& dParS, double& dParE) ;
    vr_bool GetLinearBisectorData( int nEdge, double ptS[3], double ptE[3], double& dParS, double& dParE) ;
+   int m_nBufferedVDEdge = -1 ;
 
   // media axis
    vr_bool IsWMATEdge( int nEdge) ;
 
   // debug
-   void MyWriteVoronoiRegion( FILE *output) ;
+   void MyWriteVoronoiDiagram() ;
 
-   int m_nBufferedVDEdge = -1 ;
+  // gestione eccezioni
+   const char* GetExceptionMessage() ;
+   int m_nMostViolatedRecursiveArcCount = 0 ;
 
  };
 
diff --git a/vroni/Lib/vroniD32.lib b/vroni/Lib/vroniD32.lib
index 216a915..fc6018b 100644
Binary files a/vroni/Lib/vroniD32.lib and b/vroni/Lib/vroniD32.lib differ
diff --git a/vroni/Lib/vroniD64.lib b/vroni/Lib/vroniD64.lib
index 97ef970..a1aa309 100644
Binary files a/vroni/Lib/vroniD64.lib and b/vroni/Lib/vroniD64.lib differ
diff --git a/vroni/Lib/vroniR32.lib b/vroni/Lib/vroniR32.lib
index 37c2a1c..88d90a1 100644
Binary files a/vroni/Lib/vroniR32.lib and b/vroni/Lib/vroniR32.lib differ
diff --git a/vroni/Lib/vroniR64.lib b/vroni/Lib/vroniR64.lib
index 668b0c0..84c3b4a 100644
Binary files a/vroni/Lib/vroniR64.lib and b/vroni/Lib/vroniR64.lib differ