private void btnTodo_Click(object sender, RoutedEventArgs e)
{
auto.Capacidad = Capacity;
auto.Contenido = Content;
auto.Rendimiento = Performance;
txtViajar.IsEnabled = true;
btnLlenar.IsEnabled = true;
btnCalcular.IsEnabled = false;
lblSalida.Content = "Autonomia Actual: " + auto.Autonomia() + " Kilometros";
graph.Put(Fabric, auto);
} // end of btnLimpiar_Click
