public static IAsyncResult BeginGetHostEntry(string hostNameOrAddress, AsyncCallback requestCallback, object stateObject)
{
#if FEATURE_NO_BSD_SOCKETS
throw new PlatformNotSupportedException("System.Net.Dns:GetHostEntry is not supported on this platform.");
#else
if (hostNameOrAddress == null)
{
throw new ArgumentNullException("hostName");
}
if (hostNameOrAddress == "0.0.0.0" || hostNameOrAddress == "::0")
{
throw new ArgumentException("Addresses 0.0.0.0 (IPv4) " +
"and ::0 (IPv6) are unspecified addresses. You " +
"cannot use them as target address.",
"hostNameOrAddress");
}
#if !MOBILE
if (use_mono_dns)
{
return(BeginAsyncCall(hostNameOrAddress, requestCallback, stateObject));
}
#endif
GetHostEntryNameCallback c = new GetHostEntryNameCallback(GetHostEntry);
return(c.BeginInvoke(hostNameOrAddress, requestCallback, stateObject));
#endif // FEATURE_NO_BSD_SOCKETS
}
public static IAsyncResult BeginGetHostEntry(string hostNameOrAddress,
AsyncCallback requestCallback, object stateObject)
{
if (hostNameOrAddress == null)
{
throw new ArgumentNullException("hostNameOrAddress");
}
GetHostEntryNameCallback c = new GetHostEntryNameCallback(GetHostEntry);
return(c.BeginInvoke(hostNameOrAddress, requestCallback, stateObject));
}
/// <summary>Asynchronously resolves a host name or 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="hostNameOrAddress">The host name or 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="hostNameOrAddress" /> is null. </exception>
/// <exception cref="T:System.ArgumentOutOfRangeException">The length of <paramref name="hostNameOrAddress" /> is greater than 126 characters. </exception>
/// <exception cref="T:System.Net.Sockets.SocketException">An error is encountered when resolving <paramref name="hostNameOrAddress" />. </exception>
/// <exception cref="T:System.ArgumentException">
/// <paramref name="hostNameOrAddress" /> is an invalid IP address.</exception>
public static IAsyncResult BeginGetHostEntry(string hostNameOrAddress, AsyncCallback requestCallback, object stateObject)
{
if (hostNameOrAddress == null)
{
throw new ArgumentNullException("hostName");
}
if (hostNameOrAddress == "0.0.0.0" || hostNameOrAddress == "::0")
{
throw new ArgumentException("Addresses 0.0.0.0 (IPv4) and ::0 (IPv6) are unspecified addresses. You cannot use them as target address.", "hostNameOrAddress");
}
GetHostEntryNameCallback getHostEntryNameCallback = GetHostEntry;
return(getHostEntryNameCallback.BeginInvoke(hostNameOrAddress, requestCallback, stateObject));
}
public static IAsyncResult BeginGetHostEntry(string hostNameOrAddress, AsyncCallback requestCallback, object stateObject)
{
if (hostNameOrAddress == null)
{
throw new ArgumentNullException("hostName");
}
if (hostNameOrAddress == "0.0.0.0" || hostNameOrAddress == "::0")
{
throw new ArgumentException("Addresses 0.0.0.0 (IPv4) " +
"and ::0 (IPv6) are unspecified addresses. You " +
"cannot use them as target address.",
"hostNameOrAddress");
}
#if !MOBILE
if (use_mono_dns)
{
return(BeginAsyncCall(hostNameOrAddress, requestCallback, stateObject));
}
#endif
GetHostEntryNameCallback c = new GetHostEntryNameCallback(GetHostEntry);
return(c.BeginInvoke(hostNameOrAddress, requestCallback, stateObject));
}
public static IAsyncResult BeginGetHostEntry (string hostNameOrAddress, AsyncCallback requestCallback, object stateObject)
{
if (hostNameOrAddress == null)
throw new ArgumentNullException ("hostName");
if (hostNameOrAddress == "0.0.0.0" || hostNameOrAddress == "::0")
throw new ArgumentException ("Addresses 0.0.0.0 (IPv4) " +
"and ::0 (IPv6) are unspecified addresses. You " +
"cannot use them as target address.",
"hostNameOrAddress");
if (use_mono_dns)
return BeginAsyncCall (hostNameOrAddress, requestCallback, stateObject);
GetHostEntryNameCallback c = new GetHostEntryNameCallback (GetHostEntry);
return c.BeginInvoke (hostNameOrAddress, requestCallback, stateObject);
}
public static IAsyncResult BeginGetHostEntry (string hostNameOrAddress, AsyncCallback requestCallback, object stateObject)
{
#if FEATURE_NO_BSD_SOCKETS
throw new PlatformNotSupportedException ("System.Net.Dns:GetHostEntry is not supported on this platform.");
#else
if (hostNameOrAddress == null)
throw new ArgumentNullException ("hostName");
if (hostNameOrAddress == "0.0.0.0" || hostNameOrAddress == "::0")
throw new ArgumentException ("Addresses 0.0.0.0 (IPv4) " +
"and ::0 (IPv6) are unspecified addresses. You " +
"cannot use them as target address.",
"hostNameOrAddress");
#if !MOBILE
if (use_mono_dns)
return BeginAsyncCall (hostNameOrAddress, requestCallback, stateObject);
#endif
GetHostEntryNameCallback c = new GetHostEntryNameCallback (GetHostEntry);
return c.BeginInvoke (hostNameOrAddress, requestCallback, stateObject);
#endif // FEATURE_NO_BSD_SOCKETS
}