void LoadCategories()
{
List <String> itm = HorsePower.getItemsType();
topmenu.Controls.Clear();
topmenu.FlowDirection = FlowDirection.TopDown;
categoriesmenu[] items = new categoriesmenu[itm.Count()];
foreach (String n in HorsePower.getItemsType())
{
int i = +1;
items[i] = new categoriesmenu();
items[i].Width = topmenu.Width - 8;
items[i].Margins(6, 1, 1, 1);
items[i].PropertyName = n;
topmenu.Controls.Add(items[i]);
}
}