public IAsyncResult BeginAnnounceOnline(EndpointDiscoveryMetadata discoveryMetadata, AsyncCallback callback, object state)
{
if (discoveryMetadata == null)
{
throw FxTrace.Exception.ArgumentNull("discoveryMetadata");
}
using (new AnnouncementOperationContextScope(InnerChannel))
{
return(InnerClient.BeginHelloOperation(discoveryMetadata, callback, state));
}
}