/// <summary>
 /// Fermeture de la solution. On fait le mènage
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 void OnSolutionEvents(object sender, SolutionEventArgs e)
 {
     if (e.Closing)
     {
         UnregisterAllProjects();
     }
 }
        void OnSolutionEvents(object sender, SolutionEventArgs e)
        {
            if (!e.Closing)
            {
                OnSolutionOpened();
            }
            else
            {
                OnSolutionClosed();
            }

            if (SolutionEvents != null)
                SolutionEvents(sender, e);
        }