Object or Array to Dynamic in C#

/*
 * based on Jorge Fioranelli's code.. 
 * http://blog.jorgef.net/2011/06/converting-any-object-to-dynamic.html
 */

public static class Extensions
{
	public static dynamic ToDynamic(this object value)
	{
		if (value.IsListOrArray ()) {

			var list = new List<ExpandoObject> ();
			IEnumerable enumerable = value as IEnumerable;
			foreach (object o in enumerable) {
				list.Add (o.ToDynamic ());
			}

			return (dynamic) list;
		}

		IDictionary<string, object> expando = new ExpandoObject ();

		foreach (PropertyDescriptor property in TypeDescriptor.GetProperties(value.GetType())) {
			expando.Add (property.Name, property.GetValue (value));
		}

		return (dynamic) expando;
	}

	public static bool IsListOrArray(this object value)
	{
		if(value is IList && value.GetType().IsGenericType) {
			return true;
		}

		if (value.GetType().IsArray) {
			return true;
		}

		return false;
	}
}