// Ouverture de la vidéo
        private void ME_VideoSon_MediaOpened(object sender, System.Windows.RoutedEventArgs e)
        {
            LBL_Message.Visibility = Visibility.Collapsed;

            ME_VideoSon.Play();

            BTN_Play.Visibility  = Visibility.Collapsed;
            BTN_Pause.Visibility = Visibility.Visible;

            // Timer permettant d'actualiser le timing
            timer.Interval = new TimeSpan(0, 0, 1);
            timer.Tick    += new System.EventHandler(timer_Tick);
            timer.Start();

            // Indiquer le temps maximum de la vidéo aux scrollbars
            SCR_Temps.Maximum        = ME_VideoSon.NaturalDuration.TimeSpan.TotalSeconds;
            SCR_ChangerTemps.Maximum = ME_VideoSon.NaturalDuration.TimeSpan.TotalSeconds;

            // Afficher un 0 si minutes < 0 ou secondes < 0 pour le temps
            string minutes, secondes;

            secondes = ME_VideoSon.NaturalDuration.TimeSpan.Seconds.ToString("00");
            minutes  = ME_VideoSon.NaturalDuration.TimeSpan.Minutes.ToString("00");

            LBL_TempsTotal.Text = minutes + ":" + secondes;

            // Evènements
            ME_VideoSon.DownloadProgressChanged += new System.Windows.RoutedEventHandler(ME_VideoSon_DownloadProgressChanged);
            LayoutRoot.MouseMove += new System.Windows.Input.MouseEventHandler(LayoutRoot_MouseMove);
            SCR_Temps.MouseEnter += new System.Windows.Input.MouseEventHandler(SCR_Temps_MouseEnter);
            BTN_Play.Click       += new System.Windows.RoutedEventHandler(BTN_Play_Click);
            BTN_Pause.Click      += new System.Windows.RoutedEventHandler(BTN_Pause_Click);
        }
        private void BTN_Pause_Click(object sender, System.Windows.RoutedEventArgs e)
        {
            ME_VideoSon.Pause();
            BTN_Play.Visibility  = Visibility.Visible;
            BTN_Pause.Visibility = Visibility.Collapsed;

            timer.Stop();
        }
        private void BTN_Play_Click(object sender, System.Windows.RoutedEventArgs e)
        {
            ME_VideoSon.Play();

            BTN_Play.Visibility  = Visibility.Collapsed;
            BTN_Pause.Visibility = Visibility.Visible;

            timer.Interval = new TimeSpan(0, 0, 1);
            timer.Tick    += new System.EventHandler(timer_Tick);
            timer.Start();
        }
        private void BTN_OK_Click(object sender, RoutedEventArgs e) // Clic Bouton Ok
        {
            if (CB_Medias.SelectedItem != null)                     // Voir si un élément est sélectionné
            {
                ME_VideoSon.Stop();                                 // Stopper le média actuel

                // Charger le nouveau média
                ComboBoxItem wItem = (ComboBoxItem)CB_Medias.SelectedItem;
                ChargerMedia(wItem.Content.ToString());

                LBL_Message.Visibility = Visibility.Visible;
                LBL_Message.Text       = "Ouverture du média...";

                ME_VideoSon.MediaOpened += new System.Windows.RoutedEventHandler(ME_VideoSon_MediaOpened);
                ME_VideoSon.MediaFailed += new System.EventHandler <System.Windows.ExceptionRoutedEventArgs>(ME_VideoSon_MediaFailed);

                RECT_Bas.Width = 0;

                while (RECT_Bas.Width < LayoutRoot.Width)
                {
                    RECT_Bas.Width++;
                }
            }
        }