diff --git a/API_Scene.cpp b/API_Scene.cpp
index c0078cb..f024e42 100644
--- a/API_Scene.cpp
+++ b/API_Scene.cpp
@@ -283,6 +283,20 @@ __stdcall EgtGetShowTriaAdv( void)
    return ( ExeGetShowTriaAdv() ? TRUE : FALSE) ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtSetShowZmap( int nMode, BOOL bRedraw)
+{
+   return ( ExeSetShowZmap( nMode, ( bRedraw != FALSE)) ? TRUE : FALSE) ;
+}
+
+//-----------------------------------------------------------------------------
+int
+__stdcall EgtGetShowZmap( void)
+{
+   return ExeGetShowZmap() ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtZoom( int nZoom, BOOL bRedraw)
diff --git a/EgtInterface.rc b/EgtInterface.rc
index f0b62b4..7bb3ac3 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ