diff --git a/EGkCurveComposite.h b/EGkCurveComposite.h
index 63f293d..11144d7 100644
--- a/EGkCurveComposite.h
+++ b/EGkCurveComposite.h
@@ -84,6 +84,19 @@ inline ICurveComposite* GetCurveComposite( IGeoObj* pGObj)
                { if ( pGObj == nullptr  ||  pGObj->GetType() != CRV_COMPO)
                     return nullptr ;
                  return (static_cast<ICurveComposite*>(pGObj)) ; }
+inline ICurveComposite* ConvertCurveToComposite( IGeoObj* pGObj)
+               { if ( pGObj == nullptr  ||  ( pGObj->GetType() & GEO_CURVE) == 0) {
+                    delete pGObj ;
+                    return nullptr ;
+                 }
+                 ICurveComposite* pCrvCo = CreateCurveComposite() ;
+                 if ( pCrvCo == nullptr) {
+                    delete pGObj ;
+                    return nullptr ;
+                 }
+                 pCrvCo->AddCurve( static_cast<ICurve*>( pGObj)) ;
+                 return pCrvCo ;
+               }
 
 //----------------------------------------------------------------------------
 // Raccolte di puntatori a ICurveComposite