MahApps.Metro.Controls.Dialogs.MessageDialog.SetButtonState C# (CSharp) Méthode

        private static void SetButtonState(MessageDialog md)
        {
            if (md.PART_AffirmativeButton == null)
                return;

            switch (md.ButtonStyle)
            {
                case MessageDialogStyle.Affirmative:
                {
                    md.PART_AffirmativeButton.Visibility = Visibility.Visible;
                    md.PART_NegativeButton.Visibility = Visibility.Collapsed;
                    md.PART_FirstAuxiliaryButton.Visibility = Visibility.Collapsed;
                    md.PART_SecondAuxiliaryButton.Visibility = Visibility.Collapsed;
                }
                    break;
                case MessageDialogStyle.AffirmativeAndNegativeAndSingleAuxiliary:
                case MessageDialogStyle.AffirmativeAndNegativeAndDoubleAuxiliary:
                case MessageDialogStyle.AffirmativeAndNegative:
                {
                    md.PART_AffirmativeButton.Visibility = Visibility.Visible;
                    md.PART_NegativeButton.Visibility = Visibility.Visible;

                    if (md.ButtonStyle == MessageDialogStyle.AffirmativeAndNegativeAndSingleAuxiliary || md.ButtonStyle == MessageDialogStyle.AffirmativeAndNegativeAndDoubleAuxiliary)
                    {
                        md.PART_FirstAuxiliaryButton.Visibility = Visibility.Visible;
                    }

                    if (md.ButtonStyle == MessageDialogStyle.AffirmativeAndNegativeAndDoubleAuxiliary)
                    {
                        md.PART_SecondAuxiliaryButton.Visibility = Visibility.Visible;
                    }
                }
                    break;
            }

            md.AffirmativeButtonText = md.DialogSettings.AffirmativeButtonText;
            md.NegativeButtonText = md.DialogSettings.NegativeButtonText;
            md.FirstAuxiliaryButtonText = md.DialogSettings.FirstAuxiliaryButtonText;
            md.SecondAuxiliaryButtonText = md.DialogSettings.SecondAuxiliaryButtonText;

            switch (md.DialogSettings.ColorScheme)
            {
                case MetroDialogColorScheme.Accented:
                    md.PART_AffirmativeButton.Style = md.FindResource("AccentedDialogHighlightedSquareButton") as Style;
                    md.PART_NegativeButton.Style = md.FindResource("AccentedDialogHighlightedSquareButton") as Style;
                    md.PART_FirstAuxiliaryButton.Style = md.FindResource("AccentedDialogHighlightedSquareButton") as Style;
                    md.PART_SecondAuxiliaryButton.Style = md.FindResource("AccentedDialogHighlightedSquareButton") as Style;
                    break;
            }
        }

 protected override void OnLoaded()
 {
     MessageDialog.SetButtonState(this);
 }