diff --git a/Form1.vb b/Form1.vb
index 5b3c9a9..f2b21da 100644
--- a/Form1.vb
+++ b/Form1.vb
@@ -54,7 +54,7 @@ Public Class Form1
       m_Controller1.SetScene(Scene1)
       m_Controller2.SetScene(Scene2)
       'Attiva scena 1
-      OnMouseDownScene(Scene1)
+      OnMouseDownScene(Scene1, Nothing)
       'Posizione e dimensioni del Form
       If ModifierKeys <> Keys.Shift Then
          Dim nFlag As Integer
@@ -133,7 +133,7 @@ Public Class Form1
       sender.ResetStatusAnalyze()
    End Sub
 
-   Private Sub OnMouseDownScene(ByVal sender As Object) Handles Scene1.OnMouseDownScene, Scene2.OnMouseDownScene
+   Private Sub OnMouseDownScene(ByVal sender As Object, ByVal e As MouseEventArgs) Handles Scene1.OnMouseDownScene, Scene2.OnMouseDownScene
       If sender.GetCtx() = 1 Then
          RadioButton1.Checked = True
       Else
diff --git a/My Project/AssemblyInfo.vb b/My Project/AssemblyInfo.vb
index 49be392..4d12a77 100644
--- a/My Project/AssemblyInfo.vb	
+++ b/My Project/AssemblyInfo.vb	
@@ -46,5 +46,5 @@ Imports System.Runtime.InteropServices
 ' utilizzando l'asterisco (*) come descritto di seguito:
 ' <Assembly: AssemblyVersion("1.0.*")> 
 
-<Assembly: AssemblyVersion("1.6.7.3")> 
-<Assembly: AssemblyFileVersion("1.6.7.3")> 
+<Assembly: AssemblyVersion("1.6.8.3")> 
+<Assembly: AssemblyFileVersion("1.6.8.3")>