[Export(typeof(IInitialMessageProvider))]
    public class OvpInitialMessageProvider:IInitialMessageProvider
    {
        private readonly List<IInitialMessage> _initialMessages = new List<IInitialMessage>();
        public IEnumerable<IInitialMessage> InitialMessages
        {
            get { return _initialMessages; }
        }

        public void LoadMessages()
        {
            var binding = new BasicHttpBinding();
            
            var address = new EndpointAddress(new Uri("http://localhost/ovpcomponents/OvpGisService.svc"));
            var svs = new OvpGisService.OvpGisServiceClient(binding, address);

            svs.GetGeneralMessagesCompleted += SvsGetGeneralMessagesCompleted;
            svs.GetGeneralMessagesAsync();
        }

        void SvsGetGeneralMessagesCompleted(object sender, OvpGisService.GetGeneralMessagesCompletedEventArgs e)
        {
            _initialMessages.Add(new InitialMessage
                                     {
                                         HeadingText="General Messages",
                                         Messages=e.Result.OrderBy(o=>o.MessageOrder).Select(s=>s.MessageText)
                                     });

            MessagesLoaded(this, null);
        }

        public event EventHandler MessagesLoaded;
    }