Underlying type in an empty Observable Collection
<p>How to get the underlying type of an Observable collection using reflection?</p>

<p>Consider following classes:</p>

<pre><code>public class Order
{
    public int OrderID { get; set; }
    public string OrderDetails { get; set; }
}

public class Orders : ObservableCollection&lt;Order&gt;
{

}
</code></pre>

<p>Any Ideas?</p>
