private async void AddButton_OnClick(object sender, RoutedEventArgs e)
        {
            var wind = new AddFuelDelivery(_currentCiterne, Guid.Empty)
            {
                Owner = Window.GetWindow(this)
            };

            wind.ShowDialog();
            await Refresh(_currentCiterne);
        }
 private async void AddButton_OnClick(object sender, RoutedEventArgs e)
 {          
     var wind = new AddFuelDelivery(_currentCiterne, Guid.Empty) { Owner = Window.GetWindow(this) };
     wind.ShowDialog();
     await Refresh(_currentCiterne);
 }