System.Windows.Interop.ActiveXHost.OnVisibilityInvalidated C# (CSharp) Méthode

        private static void OnVisibilityInvalidated(ActiveXHost axHost)
        {
            if (axHost != null)
            {
                switch (axHost.Visibility)
                {
                    case Visibility.Visible:
                        //
                        break;
                    case Visibility.Collapsed:
                        //
                        break;
                    case Visibility.Hidden:
                        //



                        break;
                }
            }
        }