diff --git a/API_GdbGetCurve.cpp b/API_GdbGetCurve.cpp
index b7d3442..963ba18 100644
--- a/API_GdbGetCurve.cpp
+++ b/API_GdbGetCurve.cpp
@@ -165,6 +165,13 @@ __stdcall EgtClosedCurveClassify( int nId1, int nId2)
    return ExeClosedCurveClassify( nId1, nId2) ;
 }
 
+//----------------------------------------------------------------------------
+int
+__stdcall EgtCurveWithRegionClassify( int nCurveId, int nRegionId)
+{
+   return ExeCurveWithRegionClassify( nCurveId, nRegionId) ;
+}
+
 //----------------------------------------------------------------------------
 BOOL
 __stdcall EgtArcRadius( int nId, double* pdRad)
diff --git a/EgtInterface.rc b/EgtInterface.rc
index 616f8d5..07b7a4f 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ