IAsyncResult IAnnouncementContractApril2005.BeginByeOperation(ByeMessageApril2005 message, AsyncCallback callback, object state)
{
return(new ByeOperationApril2005AsyncResult(this, message, callback, state));
}
void IAnnouncementContractApril2005.ByeOperation(ByeMessageApril2005 message)
{
Fx.Assert("The [....] method IAnnouncementContractApril2005.ByeOperation must not get invoked. It is marked with PreferAsyncInvocation flag.");
}