diff --git a/API_GdbModifySurf.cpp b/API_GdbModifySurf.cpp
index a92a47e..e558df0 100644
--- a/API_GdbModifySurf.cpp
+++ b/API_GdbModifySurf.cpp
@@ -133,6 +133,13 @@ __stdcall EgtSurfTmIntersect( int nId1, int nId2, BOOL bTwoColors)
    return ( ExeSurfTmIntersect( nId1, nId2, ( bTwoColors != FALSE)) ? TRUE : FALSE) ;
 }
 
+//----------------------------------------------------------------------------
+BOOL
+__stdcall EgtSurfTmSetFaceColor( int nId, int nFacet, int nColor)
+{
+   return ( ExeSurfTmSetFaceColor( nId, nFacet, nColor) ? TRUE : FALSE) ;
+}
+
 //----------------------------------------------------------------------------
 BOOL
 __stdcall EgtSurfTmResetTwoColors( int nId)
diff --git a/API_GdbObjAttribs.cpp b/API_GdbObjAttribs.cpp
index 486b86b..0ecf6c2 100644
--- a/API_GdbObjAttribs.cpp
+++ b/API_GdbObjAttribs.cpp
@@ -108,9 +108,9 @@ __stdcall EgtGetCalcStatus( int nId, int* pnStat)
 
 //-----------------------------------------------------------------------------
 BOOL
-__stdcall EgtSetMark( int nId)
+__stdcall EgtSetMark( int nId, int nMark)
 {
-   return ( ExeSetMark( nId) ? TRUE : FALSE) ;
+   return ( ExeSetMark( nId, nMark) ? TRUE : FALSE) ;
 }
 
 //-----------------------------------------------------------------------------
diff --git a/EgtInterface.rc b/EgtInterface.rc
index 77aac82..256a3d4 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ