diff --git a/API_GeomDB.cpp b/API_GeomDB.cpp
index 18cc634..5d7f01d 100644
--- a/API_GeomDB.cpp
+++ b/API_GeomDB.cpp
@@ -191,7 +191,11 @@ __stdcall EgtSaveObjToFile( int nId, const wchar_t* wsFilePath, int nFlag)
 
 //-----------------------------------------------------------------------------
 BOOL
-__stdcall EgtSaveMachGroupToFile( int nMGroupId, const wchar_t* wsFilePath, int nFlag)
+__stdcall EgtSaveMachGroupToFile( int nMGroupId, int nNumPlusId, const int nPlusIds[], const wchar_t* wsFilePath, int nFlag)
 {
-   return ( ExeSaveMachGroupToFile( nMGroupId, wstrztoA( wsFilePath), nFlag) ? TRUE : FALSE) ;
+   INTVECTOR vPlusId ;
+   vPlusId.reserve( nNumPlusId) ;
+   for ( int i = 0 ; i < nNumPlusId ; ++i)
+      vPlusId.push_back( nPlusIds[i]) ;
+   return ( ExeSaveMachGroupToFile( nMGroupId, vPlusId, wstrztoA( wsFilePath), nFlag) ? TRUE : FALSE) ;
 }
diff --git a/EgtInterface.rc b/EgtInterface.rc
index 1d3d23c..4df024c 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ