private void actualizar()
{
Dictionary <WarehouseService.Title, int> dic = proxyWH.getShopRequests();
listBox1.Items.Clear();
foreach (WarehouseService.Title key in dic.Keys)
{
listBox1.Items.Add(Enum.GetName(typeof(WarehouseService.Title), key) + ":" + dic[key].ToString());
}
}
