Microsoft.ServiceModel.Web.HelpPageInvoker.IsUntypedMessage C# (CSharp) Method

        static bool IsUntypedMessage(MessageDescription message)
        {
            if (message == null)
            {
                return false;
            }
            return (message.Body.ReturnValue != null && message.Body.Parts.Count == 0 && message.Body.ReturnValue.Type == typeof(Message)) ||
                (message.Body.ReturnValue == null && message.Body.Parts.Count == 1 && message.Body.Parts[0].Type == typeof(Message));
        }