public AnnouncementClient(string endpointConfigurationName)
{
if (endpointConfigurationName == null)
{
throw FxTrace.Exception.ArgumentNull("endpointConfigurationName");
}
AnnouncementEndpoint announcementEndpoint =
ConfigurationUtility.LookupEndpointFromClientSection <AnnouncementEndpoint>(
endpointConfigurationName);
Initialize(announcementEndpoint);
}