private void CustomerID_Zoom_Click(object sender, RoutedEventArgs e)
        {
            var vm = new CustomersListViewmodel(CustomersListViewmodel.ModeKind.Lookup);

            vm.Input_CustomerID = Viewmodel.CustomerID;

            this.OpenSatellite("Customers", "Customers", new CustomersListPage(vm), "CUSTOMERS");
        }
        public CustomersListPage(CustomersListViewmodel view_model)
        {
            Viewmodel = view_model != null ? view_model : new CustomersListViewmodel(CustomersListViewmodel.ModeKind.List);

            this.InitializeComponent();
        }