diff --git a/API_Scene.cpp b/API_Scene.cpp
index 73b09ed..411843f 100644
--- a/API_Scene.cpp
+++ b/API_Scene.cpp
@@ -373,6 +373,17 @@ __stdcall EgtGetLastSnapDir( double vtV[3])
       return FALSE ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtSetObjFilterForSnap( BOOL bZerodim, BOOL bCurve, BOOL bSurf, BOOL bVolume, BOOL bExtra)
+{
+   GseContext* pGseCtx = GetCurrGseContext() ;
+   VERIFY_CTX_SCENE( pGseCtx, FALSE)
+  // imposto il filtro
+   return ( pGseCtx->m_pScene->SetObjFilterForSnap( ( bZerodim != FALSE), ( bCurve != FALSE), ( bSurf != FALSE),
+                                                    ( bVolume != FALSE), ( bExtra != FALSE)) ? TRUE : FALSE) ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtSetShowMode( int nShowMode, BOOL bRedraw)