// Determine the Internet Protocol (IP) addresses for
// this host asynchronously.
public void DoGetHostEntryAsync(string hostname, DnsLookupCallback callback)
{
GetHostEntryFinished.Reset();
ResolveState ioContext = new ResolveState(hostname, callback);
Dns.BeginResolve(ioContext.host,
new AsyncCallback(GetHostEntryCallback), ioContext);
}
public ResolveState(string host, DnsLookupCallback callback)
{
hostName = host;
this.callback = callback;
}
