void ReleaseDesignerOutlets()
        {
            if (AddButton != null)
            {
                AddButton.Dispose();
                AddButton = null;
            }

            if (CustomListView != null)
            {
                CustomListView.Dispose();
                CustomListView = null;
            }

            if (RemoveButton != null)
            {
                RemoveButton.Dispose();
                RemoveButton = null;
            }
        }