diff --git a/API_MachMgr.cpp b/API_MachMgr.cpp
index 7d8c172..840327e 100644
--- a/API_MachMgr.cpp
+++ b/API_MachMgr.cpp
@@ -970,7 +970,7 @@ __stdcall EgtTdbImport( const wchar_t* wsFile, const wchar_t* wsToolsToImport, c
       sImported += sName ;
    }
    wsImported = _wcsdup( stringtoW( sImported)) ;
-   return  (( wsToolsNames == nullptr) ? FALSE : TRUE) ;
+   return  (( wsImported == nullptr) ? FALSE : TRUE) ;
 }
 
 //-----------------------------------------------------------------------------
@@ -1250,6 +1250,79 @@ __stdcall EgtMdbGetMachiningDir( wchar_t*& wsMchDir)
    return  (( wsMchDir == nullptr) ? FALSE : TRUE) ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtMdbExport( const wchar_t* wsMachiningsNames, const wchar_t* wsOutFile)
+{
+   STRVECTOR vsMachiningsNames ;
+   if ( ! Tokenize( string( wstrztoA( wsMachiningsNames)), "\n", vsMachiningsNames))
+      return FALSE ;
+   return( ExeMdbExport( vsMachiningsNames, string( wstrztoA( wsOutFile))) ? TRUE : FALSE) ;
+}
+
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtMdbToBeImported( const wchar_t* wsFile, wchar_t*& wsMachiningsNames, int*& vTypes, int* pnCount)
+{
+   if ( &wsMachiningsNames == nullptr  ||  &vTypes == nullptr  ||  pnCount == nullptr)
+      return FALSE ;
+   STRVECTOR vsMachiningsNames ;
+   INTVECTOR vMachiningsTypes ;
+   if ( ! ExeMdbToBeImported( string( wstrztoA( wsFile)), vsMachiningsNames, vMachiningsTypes))
+      return FALSE ;
+  // restituzione vettore nomi
+   string sMachiningsNames ;
+   for ( const auto& sName : vsMachiningsNames) {
+      if ( ! sMachiningsNames.empty())
+         sMachiningsNames += "\n" ;
+      sMachiningsNames += sName ;
+   }
+   wsMachiningsNames = _wcsdup( stringtoW( sMachiningsNames)) ;
+   if ( wsMachiningsNames == nullptr)
+      return FALSE ;
+  // restituzione vettore tipi
+   int nDim = int( vMachiningsTypes.size()) ;
+   if ( nDim == 0) {
+      vTypes = nullptr ;
+   }
+   else {
+      vTypes = (int*) malloc( nDim * sizeof( int)) ;
+      if ( vTypes == nullptr) {
+         free( wsMachiningsNames) ;
+         return FALSE ;
+      }
+      for ( int i = 0 ; i < nDim ; ++ i)
+         vTypes[i] = vMachiningsTypes[i] ;
+   }
+   *pnCount = nDim ;
+   return TRUE ;
+}
+
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtMdbImport( const wchar_t* wsFile, const wchar_t* wsMachiningsToImport, const wchar_t* wsMachiningsNames, wchar_t*& wsImported)
+{
+   if ( &wsImported == nullptr)
+      return FALSE ;
+   STRVECTOR vsMachiningsToImport ;
+   if ( ! Tokenize( string( wstrztoA( wsMachiningsToImport)), "\n", vsMachiningsToImport))
+      return FALSE ;
+   STRVECTOR vsMachiningsNames ;
+   if ( ! Tokenize( string( wstrztoA( wsMachiningsNames)), "\n", vsMachiningsNames))
+      return FALSE ;
+   STRVECTOR vsImported ;
+   if ( ! ExeMdbImport( string( wstrztoA( wsFile)), vsMachiningsToImport, vsMachiningsNames, vsImported))
+      return FALSE ;
+   string sImported ;
+   for ( const auto& sName : vsImported) {
+      if ( ! sImported.empty())
+         sImported += "\n" ;
+      sImported += sName ;
+   }
+   wsImported = _wcsdup( stringtoW( sImported)) ;
+   return  (( wsImported == nullptr) ? FALSE : TRUE) ;
+}
+
 //-----------------------------------------------------------------------------
 // Operations
 //-----------------------------------------------------------------------------
diff --git a/EgtInterface.rc b/EgtInterface.rc
index fcdb79e..55ef503 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ