diff --git a/API_GdbObjects.cpp b/API_GdbObjects.cpp
index 7932d6f..ed51243 100644
--- a/API_GdbObjects.cpp
+++ b/API_GdbObjects.cpp
@@ -36,11 +36,27 @@ __stdcall EgtGetParent( int nId)
 
 //-----------------------------------------------------------------------------
 BOOL
-__stdcall EgtGetGroupGlobFrame( int nId, double ptOrig[3], double vtX[3], double vtY[3], double vtZ[3])
+__stdcall EgtGetGlobFrame( int nId, double ptOrig[3], double vtX[3], double vtY[3], double vtZ[3])
+{
+  // recupero il riferimento globale in cui è immerso l'oggetto
+   Frame3d frGlob ;
+   if ( ! ExeGetGlobFrame( nId, frGlob))
+      return FALSE ;
+  // aggiorno i parametri del frame
+   VEC_FROM_3D( ptOrig, frGlob.Orig())
+   VEC_FROM_3D( vtX, frGlob.VersX())
+   VEC_FROM_3D( vtY, frGlob.VersY())
+   VEC_FROM_3D( vtZ, frGlob.VersZ())
+   return TRUE ;
+}
+
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtGetGroupGlobFrame( int nGroupId, double ptOrig[3], double vtX[3], double vtY[3], double vtZ[3])
 {
   // recupero il riferimento globale del gruppo
    Frame3d frGlob ;
-   if ( ! ExeGetGroupGlobFrame( nId, frGlob))
+   if ( ! ExeGetGroupGlobFrame( nGroupId, frGlob))
       return FALSE ;
   // aggiorno i parametri del frame
    VEC_FROM_3D( ptOrig, frGlob.Orig())
@@ -52,9 +68,9 @@ __stdcall EgtGetGroupGlobFrame( int nId, double ptOrig[3], double vtX[3], double
 
 //-----------------------------------------------------------------------------
 int
-__stdcall EgtGetGroupObjs( int nId)
+__stdcall EgtGetGroupObjs( int nGroupId)
 {
-   return ExeGetGroupObjs( nId) ;
+   return ExeGetGroupObjs( nGroupId) ;
 }
 
 //-----------------------------------------------------------------------------
diff --git a/EgtInterface.rc b/EgtInterface.rc
index d03fd22..5a8d88f 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ