private void OnMaintenanceModeStartStatus(object sender, CommandStatusEventArgs e)
        {
            e.CommandStatus.Enabled = false;
            ConsoleUserSettings service = (ConsoleUserSettings)GetService(typeof(ConsoleUserSettings));

            if (!ManagementGroupSession.IsUserOperator || service != null && Grid.SelectedRows.Count > service.MaxItemsForMaintenanceMode)
            {
                e.CommandStatus.Visible = false;
            }
            else
            {
                e.CommandStatus.Visible = true;
                e.CommandStatus.Enabled = GridSelectedItems?.All(si => !si.InMaintenanceMode) ?? false;
            }
        }