diff --git a/EXE_GdbCreateSurf.cpp b/EXE_GdbCreateSurf.cpp
index 2835e77..8f84ba6 100644
--- a/EXE_GdbCreateSurf.cpp
+++ b/EXE_GdbCreateSurf.cpp
@@ -740,12 +740,8 @@ ExeCreateSurfTmByExtrusion( int nParentId, INTVECTOR& vCrvIds, const Vector3d& v
    ExeSetModified() ;
   // se richiesto, salvo il comando Lua equivalente
    if ( IsCmdLog()) {
-      string sIds ;
-      for ( size_t i = 0 ; i < vCrvIds.size() ; ++ i)
-         sIds += ToString( vCrvIds[i]) + "," ;
-      sIds.pop_back() ;
       string sLua = "EgtSurfTmByExtrusion(" + IdToString( nParentId) + ",{" +
-                                              sIds + "},{" +
+                                              IdListToString( vCrvIds) + "},{" +
                                               ToString( vtExtr) + "}," +
                                               ToString( dLinTol) + "," +
                                               RefTypeToString( nRefType) + ")" +
diff --git a/EXE_General.cpp b/EXE_General.cpp
index 8bdbe0e..70aed51 100644
--- a/EXE_General.cpp
+++ b/EXE_General.cpp
@@ -40,6 +40,7 @@ static Logger* s_pGenLog = nullptr ;
 static bool    s_bCmdLog = false ;
 static Logger* s_pCmdLog = nullptr ;
 static string  s_sKey ;
+static int     s_nKeyType = KEY_LOCK_TYPE_ANY ;
 static pfProcEvents s_pFunProcEvents = nullptr ;
 static pfOutText    s_pFunOutText = nullptr ;
 
@@ -75,6 +76,7 @@ ExeInit( int nDebug, const string& sLogFile, const string& sLogMsg)
    LOG_INFO( s_pGenLog, sVer.c_str())
 
   // imposto la chiave di protezione sulle librerie di base
+   SetEGkKeyType( s_nKeyType) ;
    SetEGkKey( s_sKey) ;
 
   // carico libreria grafica opzionale
@@ -163,6 +165,14 @@ ExeSetKey( const string& sKey)
    return true ;
 }
 
+//-----------------------------------------------------------------------------
+bool
+ExeSetLockType( int nType)
+{
+   s_nKeyType = nType ;
+   return SetLockType( nType) ;
+}
+
 //-----------------------------------------------------------------------------
 bool
 ExeSetFont( const string& sNfeFontDir, const string& sDefaultFont)