public void ToogleDropdown()
        {
            var expand = !isExpanded;

            if (expand && IsTopMenuItem)
            {
                Navbar.CloseAll();
            }

            isExpanded = expand;
        }
 public void Dispose()
 {
     Navbar?.RemoveNavbarMenuItem(this);
 }
 protected override void OnInitialized()
 {
     isExpanded = Expanded;
     Navbar?.AddNavbarMenuItem(this);
 }