diff --git a/API_GdbCreateCurve.cpp b/API_GdbCreateCurve.cpp
index f98b5ff..cd0c88f 100644
--- a/API_GdbCreateCurve.cpp
+++ b/API_GdbCreateCurve.cpp
@@ -83,6 +83,14 @@ __stdcall EgtCreateCircleCPEx( int nParentId, const double ptCen[3],
    return ExeCreateCircleCPEx( nParentId, ptCen, ptOn, nSepO, nIdO, nRefType) ;
 }
 
+//-------------------------------------------------------------------------------
+int
+__stdcall EgtCreateCircle2P( int nParentId, const double ptP1[3],
+                             const double ptP2[3], int nRefType)
+{
+   return ExeCreateCircle2P( nParentId, ptP1, ptP2, nRefType) ;
+}
+
 //-------------------------------------------------------------------------------
 int
 __stdcall EgtCreateCircle3P( int nParentId, const double ptP1[3],
diff --git a/API_GdbModifyCurve.cpp b/API_GdbModifyCurve.cpp
index 7679c6c..c5023a4 100644
--- a/API_GdbModifyCurve.cpp
+++ b/API_GdbModifyCurve.cpp
@@ -190,9 +190,9 @@ __stdcall EgtModifyCircle3P( int nId, const double ptP1[3], const double ptP2[3]
 
 //-------------------------------------------------------------------------------
 BOOL
-__stdcall EgtModifyArcRadius( int nId, double dRad)
+__stdcall EgtModifyArcRadius( int nId, double dRad, BOOL bKeepCenter)
 {
-   return ( ExeModifyArcRadius( nId, dRad) ? TRUE : FALSE) ;
+   return ( ExeModifyArcRadius( nId, dRad, ( bKeepCenter != FALSE)) ? TRUE : FALSE) ;
 }
 
 //-------------------------------------------------------------------------------
diff --git a/EgtInterface.rc b/EgtInterface.rc
index bba453f..76d9092 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ