Fluent.InRibbonGallery.Freeze C# (CSharp) Méthode

        private void Freeze()
        {
            IsSnapped = true;
            selectedItem = SelectedItem;
            SelectedItem = null;
            if (ItemsSource != null)
            {
                quickAccessGallery.ItemsSource = ItemsSource;
                ItemsSource = null;
            }
            else
            {

                for (int i = 0; i < Items.Count; i++)
                {
                    object item = Items[0];
                    Items.Remove(item);
                    quickAccessGallery.Items.Add(item);
                    i--;
                }

            }
            quickAccessGallery.SelectedItem = selectedItem;
            quickAccessGallery.Menu = Menu;
            Menu = null;
            //quickAccessGallery.IsSnapped = false;
        }