Using CreateItemFromTemplate to process an olEmbeddeditem Outlook attachment

Type t = SomeOutlookObject.GetType();
string messageClass = t.InvokeMember("MessageClass",
  BindingFlags.Public |
  BindingFlags.GetField |
  BindingFlags.GetProperty,
  null,
  SomeOutlookObject,
  new object[]{}).ToString();
Console.WriteLine("tType: " + messageClass);