/// <summary>
        /// Evento di chiusura della view Gestione gestioni
        /// </summary>
        /// <param name="param">La view che ha inviato l'evento</param>
        public void CloseMe(object param)
        {
            RegistryFirmView RFV = param as RegistryFirmView;
            DockPanel        wp  = RFV.Parent as DockPanel;

            wp.Children.Remove(RFV);
        }
        private void OpenAziende(object param)
        {
            DockPanel mainGrid = param as DockPanel;

            if (firmView == null || !mainGrid.Children.Contains(firmView))
            {
                registryFirmViewModel = new RegistryFirmViewModel(_registryServices);
                firmView = new RegistryFirmView(registryFirmViewModel);
                mainGrid.Children.Add(firmView);
            }
            else
            {
                mainGrid.Children.Remove(firmView);
                firmView = null;
                registryFirmViewModel = null;
            }
        }