EventSource Rich Data Payload IEnumerable<T> bug

 /// <summary>
 /// There is a bug in the 1.1.26 release of the package. The following code is taken from the documentation in http://blogs.msdn.com/cfs-file.ashx/__key/communityserver-components-postattachments/00-10-64-26-84/EventSourceRichPayloads.docx
/// See the last 3 lines of the main method
/// </summary>

using Microsoft.Diagnostics.Tracing;
using System.Collections.Generic;

namespace DriveMappingTest
{
    [EventData]
    public sealed class NodeData
    {
        public string NodeName { get; set; }
        public int NodeId { get; set; }
        public int[] ChildNodeIds { get; set; }
        public Dictionary<string, int> UserValues { get; set; }
    }

    [EventData]
    public sealed  class SimpleData
    {
        public string Name { get; set; }
        public int Address { get; set; }
    }


    //[EventSource(Name = "Samples-EventSourceDemos-RuntimeDemo")]
    public sealed class RuntimeDemoEventSource : EventSource
    {
        // define the Load Event.  Calling this method logs the event
        [NonEvent]
        public void LogSimpleData(string message, SimpleData data) { Write(message, data); }
        [NonEvent]
        public void LogArray(string message, IEnumerable<int> data) { Write(message, data); }
        [NonEvent]
        public void LogNode(string message, NodeData data) { Write(message, data); }
        [NonEvent]
        public void LogDictionary(string message, Dictionary<string, int> keyValues)
        { Write(message, keyValues); }

        // define the singleton instance of the event source
        public static RuntimeDemoEventSource Log = new RuntimeDemoEventSource();

        private RuntimeDemoEventSource() : base("EventSource-TestSource", EventSourceSettings.EtwSelfDescribingEventFormat) { }
    }

    /// <summary>
    /// The following code is taken from the documentation in http://blogs.msdn.com/cfs-file.ashx/__key/communityserver-components-postattachments/00-10-64-26-84/EventSourceRichPayloads.docx
    /// See the last 3 lines of the main method
    /// </summary>
    public class Test
    {
        static void Main(string[] args)
        {
            var aList = new List<int>() { 3, 4, 5, 6 };
            var aDictionary = new Dictionary<string, int>() { { "user1", 1 }, { "user2", 2 } };
            var aNode = new NodeData
            {
                NodeName = "Test",
                NodeId = 1,
                ChildNodeIds = new int[] { 3, 4, 5 },
                UserValues = aDictionary
            };

            // Logging the complex values above.
            RuntimeDemoEventSource.Log.LogArray("testMessage", aList);            // EventSourceException: System.ArgumentNullException:This usually means that the object passed to Write is of a type that does not support being used as the top-level object in an event, e.g. a primitive or built-in type. Parameter name: name
            RuntimeDemoEventSource.Log.LogDictionary("testMessage", aDictionary); // EventSourceException: System.ArgumentNullException:This usually means that the object passed to Write is of a type that does not support being used as the top-level object in an event, e.g. a primitive or built-in type. Parameter name: name
            RuntimeDemoEventSource.Log.LogNode("testMessage", aNode);             // Logged successfully.
        }
    }
}