ClassStructure.cs

/// <summary>
    /// 
    /// </summary>
    public class VMCopyToMenu
    {
        public string MainMenuItemName { get; set; }

        public ObservableCollection<VMCopyToMenuItem> MenuItems { get; set; }

        public IList Children
        {
            get
            {
                return new CompositeCollection()
                {
                    new CollectionContainer() { Collection = MenuItems }
                };
            }
        }
    }

    /// <summary>
    /// 
    /// </summary>
    public class VMCopyToMenuItem
    {
        public string MenuItemName { get; set; }

        public bool IsSelected { get; set; }

        public bool IsExpanded { get; set; }

        public string IconPath { get; set; }

        public string SelectedIconPath { get; set; }

        public ObservableCollection<VMCopyToMenuItem> SubMenuItems { get; set; }

        //public IList Children
        //{
        //    get
        //    {
        //        return new CompositeCollection()
        //         {
        //            new CollectionContainer() { Collection = SubMenuItems }
        //         };
        //    }
        //}
    }