/// <summary>Asynchronously resolves an IP address to an <see cref="T:System.Net.IPHostEntry" /> instance.</summary>
/// <returns>An <see cref="T:System.IAsyncResult" /> instance that references the asynchronous request.</returns>
/// <param name="address">The IP address to resolve.</param>
/// <param name="requestCallback">An <see cref="T:System.AsyncCallback" /> delegate that references the method to invoke when the operation is complete. </param>
/// <param name="stateObject">A user-defined object that contains information about the operation. This object is passed to the <paramref name="requestCallback" /> delegate when the operation is complete.</param>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="address" /> is null. </exception>
/// <exception cref="T:System.Net.Sockets.SocketException">An error is encountered when resolving <paramref name="address" />. </exception>
/// <exception cref="T:System.ArgumentException">
/// <paramref name="address" /> is an invalid IP address.</exception>
public static IAsyncResult BeginGetHostEntry(IPAddress address, AsyncCallback requestCallback, object stateObject)
{
if (address == null)
{
throw new ArgumentNullException("address");
}
GetHostEntryIPCallback getHostEntryIPCallback = GetHostEntry;
return(getHostEntryIPCallback.BeginInvoke(address, requestCallback, stateObject));
}
public static IAsyncResult BeginGetHostEntry(IPAddress hostAddress,
AsyncCallback requestCallback, object stateObject)
{
if (hostAddress == null)
{
throw new ArgumentNullException("hostAddress");
}
GetHostEntryIPCallback c = new GetHostEntryIPCallback(GetHostEntry);
return(c.BeginInvoke(hostAddress, requestCallback, stateObject));
}
public static IAsyncResult BeginGetHostEntry(IPAddress address, AsyncCallback requestCallback, object stateObject)
{
if (address == null)
{
throw new ArgumentNullException("address");
}
if (use_mono_dns)
{
return(BeginAsyncCall(address.ToString(), requestCallback, stateObject));
}
GetHostEntryIPCallback c = new GetHostEntryIPCallback(GetHostEntry);
return(c.BeginInvoke(address, requestCallback, stateObject));
}
public static IAsyncResult BeginGetHostEntry(IPAddress address, AsyncCallback requestCallback, object stateObject)
{
#if FEATURE_NO_BSD_SOCKETS
throw new PlatformNotSupportedException("System.Net.Dns:BeginGetHostEntry is not supported on this platform.");
#else
if (address == null)
{
throw new ArgumentNullException("address");
}
#if !MOBILE
if (use_mono_dns)
{
return(BeginAsyncCall(address.ToString(), requestCallback, stateObject));
}
#endif
GetHostEntryIPCallback c = new GetHostEntryIPCallback(GetHostEntry);
return(c.BeginInvoke(address, requestCallback, stateObject));
#endif // FEATURE_NO_BSD_SOCKETS
}
public static IAsyncResult BeginGetHostEntry (IPAddress address, AsyncCallback requestCallback, object stateObject)
{
if (address == null)
throw new ArgumentNullException ("address");
if (use_mono_dns)
return BeginAsyncCall (address.ToString (), requestCallback, stateObject);
GetHostEntryIPCallback c = new GetHostEntryIPCallback (GetHostEntry);
return c.BeginInvoke (address, requestCallback, stateObject);
}
public static IAsyncResult BeginGetHostEntry (IPAddress address, AsyncCallback requestCallback, object stateObject)
{
#if FEATURE_NO_BSD_SOCKETS
throw new PlatformNotSupportedException ("System.Net.Dns:BeginGetHostEntry is not supported on this platform.");
#else
if (address == null)
throw new ArgumentNullException ("address");
#if !MOBILE
if (use_mono_dns)
return BeginAsyncCall (address.ToString (), requestCallback, stateObject);
#endif
GetHostEntryIPCallback c = new GetHostEntryIPCallback (GetHostEntry);
return c.BeginInvoke (address, requestCallback, stateObject);
#endif // FEATURE_NO_BSD_SOCKETS
}
