diff --git a/EE3DllMain.h b/EE3DllMain.h
new file mode 100644
index 0000000..9d2418e
--- /dev/null
+++ b/EE3DllMain.h
@@ -0,0 +1,73 @@
+//----------------------------------------------------------------------------
+//  EgalTech 2023-2023
+//----------------------------------------------------------------------------
+// File : EE3DllMain.h          Data : 14.11.23          Versione : 2.5k2
+// Contenuto : Prototipi funzioni generali della DLL.
+//
+//
+//
+// Modifiche : 14.11.23 DS Creazione modulo.
+//
+//
+//----------------------------------------------------------------------------
+
+#pragma once
+
+#include <string>
+
+class ILogger ;
+
+//----------------------- Macro per import/export ----------------------------
+#undef EE3_EXPORT
+#if defined( I_AM_EE3)            // da definirsi solo nella DLL
+   #define EE3_EXPORT __declspec( dllexport)
+#else
+   #define EE3_EXPORT __declspec( dllimport)
+#endif
+
+//-----------------------------------------------------------------------------
+// E' necessaria l'interfaccia in C per caricare queste funzioni dinamicamente
+extern "C" {
+   // restituisce la versione della Dll
+   EE3_EXPORT const char* GetEE3Version( void) ;
+   // permette di impostare il logger per la Dll
+   EE3_EXPORT void SetEE3Logger( ILogger* pLogger) ;
+   // imposta la chiave di protezione
+   EE3_EXPORT void SetEE3Key( const std::string& sKey) ;
+   // imposta se chiave hardware di rete
+   EE3_EXPORT void SetEE3NetHwKey( bool bNetHwKey) ;
+}
+
+
+//-----------------------------------------------------------------------------
+#include "/EgtDev/Include/EGnStringUtils.h"
+#include "/EgtDev/Include/EgtILogger.h"
+#include "/EgtDev/Include/EgtKeyCodes.h"
+#include "/EgtDev/Include/SELkKeyProc.h"
+
+//-----------------------------------------------------------------------------
+// Test della chiave per caricare la DLL
+inline bool
+TestKeyForEE3( const std::string& sKey, int nKeyOpt, ILogger* pLogger)
+{
+  // verifico la chiave e le opzioni
+   unsigned int nOpt1, nOpt2 ;
+   int nOptExpDays ;
+   int nRet = GetKeyOptions( sKey, KEY_BASELIB_PROD, KEY_BASELIB_VER, KEY_BASELIB_LEV,
+                             nOpt1, nOpt2, nOptExpDays) ;
+   if ( nRet != KEY_OK  &&  ! EqualNoCase( sKey, "EE3Base")) {
+      if ( nRet != KEY_OK) {
+         std::string sErr = "Error on Key (EE3/" + ToString( nRet) + ")" ;
+         LOG_ERROR( pLogger, sErr.c_str()) ;
+         return false ;
+      }
+      if ( ( nOpt1 & ( KEYOPT_EEX_INPBASE|KEYOPT_EEX_EXPBASE)) == 0  ||
+           ( nKeyOpt != 0  &&  ( nOpt1 & nKeyOpt) == 0)  ||
+           nOptExpDays < GetCurrDay()) {
+         std::string sErr = "Warning on Key (EE3/OPT)" ;
+         LOG_ERROR( pLogger, sErr.c_str()) ;
+         return false ;
+      }
+   }
+   return true ;
+}
diff --git a/EExExport3dm.h b/EE3Export3dm.h
similarity index 77%
rename from EExExport3dm.h
rename to EE3Export3dm.h
index 3164f4a..adbb7ad 100644
--- a/EExExport3dm.h
+++ b/EE3Export3dm.h
@@ -1,7 +1,7 @@
 //----------------------------------------------------------------------------
 //  EgalTech 2023
 //----------------------------------------------------------------------------
-// File : EExExport3dm.h          Data : 21.09.23          Versione :
+// File : EE3Export3dm.h          Data : 21.09.23          Versione :
 // Contenuto : Dichiarazione della interfaccia IExport3dm.
 //
 //
@@ -18,11 +18,11 @@
 #include <string>
 
 //----------------------- Macro per import/export ----------------------------
-#undef EEK_EXPORT
-#if defined( I_AM_EEX)            // da definirsi solo nella DLL
-#define EEX_EXPORT __declspec( dllexport)
+#undef EE3_EXPORT
+#if defined( I_AM_EE3)            // da definirsi solo nella DLL
+#define EE3_EXPORT __declspec( dllexport)
 #else
-#define EEX_EXPORT __declspec( dllimport)
+#define EE3_EXPORT __declspec( dllimport)
 #endif
 
 //-----------------------------------------------------------------------------
@@ -36,5 +36,5 @@ public :
 
 //-----------------------------------------------------------------------------
 extern "C" {
-   EEX_EXPORT IExport3dm* CreateExport3dm(void) ;
+   EE3_EXPORT IExport3dm* CreateExport3dm(void) ;
 }
diff --git a/EExImport3dm.h b/EE3Import3dm.h
similarity index 79%
rename from EExImport3dm.h
rename to EE3Import3dm.h
index 353d859..ad23959 100644
--- a/EExImport3dm.h
+++ b/EE3Import3dm.h
@@ -1,7 +1,7 @@
 //----------------------------------------------------------------------------
 //  EgalTech 2023
 //----------------------------------------------------------------------------
-// File : EExImport3dm.h          Data : 26.06.23          Versione : 2.5f1
+// File : EE3Import3dm.h          Data : 26.06.23          Versione : 2.5f1
 // Contenuto : Dichiarazione della interfaccia IImport3dm.
 //
 //
@@ -16,11 +16,11 @@
 #include <string>
 
 //----------------------- Macro per import/export ----------------------------
-#undef EEK_EXPORT
-#if defined( I_AM_EEX)            // da definirsi solo nella DLL
-#define EEX_EXPORT __declspec( dllexport)
+#undef EE3_EXPORT
+#if defined( I_AM_EE3)            // da definirsi solo nella DLL
+#define EE3_EXPORT __declspec( dllexport)
 #else
-#define EEX_EXPORT __declspec( dllimport)
+#define EE3_EXPORT __declspec( dllimport)
 #endif
 
 //-----------------------------------------------------------------------------
@@ -35,5 +35,5 @@ public :
 
 //-----------------------------------------------------------------------------
 extern "C" {
-   EEX_EXPORT IImport3dm* CreateImport3dm( void) ;
+   EE3_EXPORT IImport3dm* CreateImport3dm( void) ;
 }