public void Dispose()
 {
     if (this.tuto != null)
     {
         this.tuto.Stop();
         this.tuto = null;
     }
 }
 private void Init()
 {
     if (this.tuto == null)
     {
         this.tuto = new TutorialListening.Tutorial((c, f, a) =>
         {
             if (!String.IsNullOrEmpty(c))
             {
                 List <Form> list = new List <Form>();
                 // recopie la liste (car elle est sujette à changer au cours de l'exécution)
                 foreach (Form z in Application.OpenForms)
                 {
                     list.Add(z);
                 }
                 foreach (Form z in list)
                 {
                     if (z.Name == c)
                     {
                         Type t     = z.GetType();
                         object res = t.InvokeMember(f, System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.GetField | System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Public, null, z, new object[] { });
                         if (res != null)
                         {
                             if (res is Button)
                             {
                                 Button btn = res as Button;
                                 btn.PerformClick();
                             }
                             else if (res is MenuItem)
                             {
                                 MenuItem menu = res as MenuItem;
                                 menu.PerformClick();
                             }
                             else if (res is RadioButton)
                             {
                                 RadioButton radio = res as RadioButton;
                                 radio.PerformClick();
                             }
                             else if (res is ToolStripMenuItem)
                             {
                                 ToolStripMenuItem tool = res as ToolStripMenuItem;
                                 if (a == "Select")
                                 {
                                     tool.Select();
                                 }
                                 else if (a == "Show")
                                 {
                                     tool.DropDown.Show();
                                 }
                                 else if (a == "Click")
                                 {
                                     tool.PerformClick();
                                 }
                             }
                             break;
                         }
                     }
                 }
             }
         });
     }
 }