public void AddWarehouseExecute(object parameter)
        {
            AddWarehouseWindow          addWarehouseWindow   = new AddWarehouseWindow();
            AddWarehouseWindowViewModel AddWarehouseWindowvm = addWarehouseWindow.DataContext as AddWarehouseWindowViewModel;

            AddWarehouseWindowvm.CallBack = new Func <Warehouse, bool>(CallBack);
            addWarehouseWindow.Show();
        }