CS5ReadOnlyProp.cs

  public class Gadget
  {
    public Gadget(int id, string name)
    {
      this.id = id;
      this.name = name;
    }

    private readonly int id;
    public int Id
    {
      get { return id; }
    }
    private readonly string name;
    public string Name
    {
      get { return name; }
    }
  }