diff --git a/API_Scene.cpp b/API_Scene.cpp
index 83e51a0..9559761 100644
--- a/API_Scene.cpp
+++ b/API_Scene.cpp
@@ -312,6 +312,20 @@ __stdcall EgtGetShowTriaAdv( void)
    return ( ExeGetShowTriaAdv() ? TRUE : FALSE) ;
 }
 
+//----------------------------------------------------------------------------
+BOOL
+__stdcall EgtSetShowSurfBezierTol( double dLinTol, BOOL bRedraw)
+{
+   return ( ExeSetShowSurfBezierTol( dLinTol, ( bRedraw != FALSE)) ? TRUE : FALSE) ;
+}
+
+//-----------------------------------------------------------------------------
+double
+__stdcall EgtGetShowSurfBezierTol( void)
+{
+   return ExeGetShowSurfBezierTol() ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtSetShowZmap( int nMode, BOOL bRedraw)