public void Start(IConveyor conveyor)
{
int index = Conveyors.IndexOf(conveyor);
Conveyors.Remove(conveyor);
conveyor.Start(Factory);
Conveyors.Insert(index, conveyor);
RaisePropertyChanged(nameof(Conveyors));
}
public void AddConveyor(IConveyor conveyor)
{
Conveyors.Add(conveyor);
conveyor.Start(this);
}