diff --git a/Effector.Main/Effector.Main.vbproj b/Effector.Main/Effector.Main.vbproj
index fd67e79..f91d12c 100644
--- a/Effector.Main/Effector.Main.vbproj
+++ b/Effector.Main/Effector.Main.vbproj
@@ -177,6 +177,7 @@
     <Compile Include="Utility\Dictionary.xaml.vb">
       <DependentUpon>Dictionary.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Utility\EgtInterface.vb" />
     <Compile Include="Utility\ExecProcessManager.vb" />
     <Compile Include="LUA\Lua_General.vb" />
     <Compile Include="Utility\FiniteStateMachine.vb" />
diff --git a/Effector.Main/My Project/AssemblyInfo.vb b/Effector.Main/My Project/AssemblyInfo.vb
index f98f24f..e0477b5 100644
--- a/Effector.Main/My Project/AssemblyInfo.vb	
+++ b/Effector.Main/My Project/AssemblyInfo.vb	
@@ -55,5 +55,5 @@ Imports System.Windows
 ' by using the '*' as shown below:
 ' <Assembly: AssemblyVersion("1.0.*")>
 
-<Assembly: AssemblyVersion("2.7.8.1")>
-<Assembly: AssemblyFileVersion("2.7.8.1")>
+<Assembly: AssemblyVersion("3.1.5.1")>
+<Assembly: AssemblyFileVersion("3.1.5.1")>
diff --git a/Effector.Main/Utility/EgtInterface.vb b/Effector.Main/Utility/EgtInterface.vb
new file mode 100644
index 0000000..dc06bea
--- /dev/null
+++ b/Effector.Main/Utility/EgtInterface.vb
@@ -0,0 +1,80 @@
+Imports System.Runtime.InteropServices
+Imports System.Security
+
+Public Module EgtInterface
+
+#If DEBUG Then
+   Const EgtIntDll32 As String = "EgtBasisD32.dll"
+#Else
+   Const EgtIntDll32 As String = "EgtBasisR32.dll"
+#End If
+
+   <DllImport(EgtIntDll32, CharSet:=CharSet.Unicode, EntryPoint:="EgtSetKey"), SuppressUnmanagedCodeSecurity()>
+   Public Function EgtSetKey(sKey As String) As Boolean
+   End Function
+
+   <DllImport(EgtIntDll32, CharSet:=CharSet.Unicode, EntryPoint:="EgtGetKeyLevel"), SuppressUnmanagedCodeSecurity()>
+   Public Function EgtGetKeyLevel(nProd As Integer, nVer As Integer, nLev As Integer, ByRef nKLev As Integer) As Boolean
+   End Function
+
+   <DllImport(EgtIntDll32, CharSet:=CharSet.Unicode, EntryPoint:="EgtGetKeyOptions"), SuppressUnmanagedCodeSecurity()>
+   Public Function EgtGetKeyOptions(nProd As Integer, nVer As Integer, nLev As Integer,
+                                    ByRef nOpt1 As UInteger, ByRef nOpt2 As UInteger) As Boolean
+   End Function
+
+   <DllImport(EgtIntDll32, CharSet:=CharSet.Unicode, EntryPoint:="EgtGetKeyLeftDays"), SuppressUnmanagedCodeSecurity()>
+   Public Function EgtGetKeyLeftDays(ByRef nLeftDays As Integer) As Boolean
+   End Function
+
+   <DllImport(EgtIntDll32, CharSet:=CharSet.Unicode, EntryPoint:="EgtGetKeyAssLeftDays"), SuppressUnmanagedCodeSecurity()>
+   Public Function EgtGetKeyAssLeftDays(ByRef nAssLeftDays As Integer) As Boolean
+   End Function
+
+   <DllImport(EgtIntDll32, CharSet:=CharSet.Unicode, EntryPoint:="EgtGetKeyOptLeftDays"), SuppressUnmanagedCodeSecurity()>
+   Public Function EgtGetKeyOptLeftDays(ByRef nOptLeftDays As Integer) As Boolean
+   End Function
+
+   <DllImport(EgtIntDll32, CharSet:=CharSet.Unicode, EntryPoint:="EgtFreeMemory"), SuppressUnmanagedCodeSecurity()>
+   Public Function EgtFreeMemory(sB As IntPtr) As Boolean
+   End Function
+
+   <DllImport(EgtIntDll32, CharSet:=CharSet.Unicode, EntryPoint:="EgtLoadMessages"), SuppressUnmanagedCodeSecurity()>
+   Public Function EgtLoadMessages(sMsgFilePath As String) As Boolean
+   End Function
+
+   <DllImport(EgtIntDll32, CharSet:=CharSet.Unicode, EntryPoint:="EgtGetMsg"), SuppressUnmanagedCodeSecurity()>
+   Private Function EgtGetMsg_32(nId As Integer) As IntPtr
+   End Function
+   Public Function EgtMsg(nId As Integer) As String
+      Return Marshal.PtrToStringUni(EgtGetMsg_32(nId))
+      ' Non è necessario liberare la memoria nativa perchè usa un buffer statico
+   End Function
+
+   <DllImport(EgtIntDll32, CharSet:=CharSet.Unicode, EntryPoint:="EgtInitLogger"), SuppressUnmanagedCodeSecurity()>
+   Public Function EgtInitLogger(nDebug As Integer, sLogFilePath As String) As Boolean
+   End Function
+
+   <DllImport(EgtIntDll32, CharSet:=CharSet.Unicode, EntryPoint:="EgtOutLog"), SuppressUnmanagedCodeSecurity()>
+   Private Function EgtOutLog(sMsg As String, nDebugLevel As Integer) As Boolean
+   End Function
+
+   <DllImport(EgtIntDll32, CharSet:=CharSet.Unicode, EntryPoint:="EgtGetStringUtf8FromIni"), SuppressUnmanagedCodeSecurity()>
+   Private Function EgtGetStringUtf8FromIni_32(sSec As String, sKey As String, sDef As String, ByRef sVal As IntPtr, sIniFile As String) As Boolean
+   End Function
+   Public Function EgtGetStringUtf8FromIni(sSec As String, sKey As String, sDef As String, ByRef sVal As String, sIniFile As String) As Boolean
+      Dim psVal As IntPtr
+      Dim bOk As Boolean = EgtGetStringUtf8FromIni_32(sSec, sKey, sDef, psVal, sIniFile)
+      If bOk Then
+         sVal = Marshal.PtrToStringUni(psVal)
+         EgtFreeMemory(psVal)
+      Else
+         sVal = String.Empty
+      End If
+      Return bOk
+   End Function
+
+   <DllImport(EgtIntDll32, CharSet:=CharSet.Unicode, EntryPoint:="EgtWriteStringUtf8ToIni"), SuppressUnmanagedCodeSecurity()>
+   Public Function EgtWriteStringUtf8toIni(sSec As String, sKey As String, sVal As String, sIniFile As String) As Boolean
+   End Function
+
+End Module