public static IAsyncResult BeginResolve(string hostName, AsyncCallback requestCallback, object stateObject)
{
if (hostName == null)
{
throw new ArgumentNullException("hostName");
}
Dns.ResolveCallback resolveCallback = new Dns.ResolveCallback(Dns.Resolve);
return(resolveCallback.BeginInvoke(hostName, requestCallback, stateObject));
}
public static IPHostEntry EndResolve(IAsyncResult asyncResult)
{
if (asyncResult == null)
{
throw new ArgumentNullException("asyncResult");
}
AsyncResult asyncResult2 = (AsyncResult)asyncResult;
Dns.ResolveCallback resolveCallback = (Dns.ResolveCallback)asyncResult2.AsyncDelegate;
return(resolveCallback.EndInvoke(asyncResult));
}
