public static bool IsLoggedIn()
{
bool result = false;
AuthenticationServiceClient client = new AuthenticationServiceClient();
OperationContextScope scope = new OperationContextScope(client.InnerChannel);
var prop = new HttpRequestMessageProperty();
prop.Headers.Add(HttpRequestHeader.Cookie, ModelLocator.getInstance().SessionModel.SessionCookie);
OperationContext.Current.OutgoingMessageProperties[HttpRequestMessageProperty.Name] = prop;
result = client.IsLoggedIn();
client.Close();
return(result);
}