/// <summary>Ends an asynchronous request for DNS information.</summary>
/// <returns>An <see cref="T:System.Net.IPHostEntry" /> instance that contains address information about the host.</returns>
/// <param name="asyncResult">An <see cref="T:System.IAsyncResult" /> instance returned by a call to an <see cref="Overload:System.Net.Dns.BeginGetHostEntry" /> method.</param>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="asyncResult" /> is null. </exception>
public static IPHostEntry EndGetHostEntry(IAsyncResult asyncResult)
{
if (asyncResult == null)
{
throw new ArgumentNullException("asyncResult");
}
AsyncResult asyncResult2 = (AsyncResult)asyncResult;
if (asyncResult2.AsyncDelegate is Dns.GetHostEntryIPCallback)
{
return(((Dns.GetHostEntryIPCallback)asyncResult2.AsyncDelegate).EndInvoke(asyncResult));
}
Dns.GetHostEntryNameCallback getHostEntryNameCallback = (Dns.GetHostEntryNameCallback)asyncResult2.AsyncDelegate;
return(getHostEntryNameCallback.EndInvoke(asyncResult));
}
