/// <summary>
/// Ends an asynchronous request for DNS information.
/// </summary>
/// <param name="AsyncResult">
/// An System.IAsyncResult instance returned by a call to an
/// Overload:Heijden.Dns.Resolver.BeginGetHostEntry method.
/// </param>
/// <returns>
/// An System.Net.IPHostEntry instance that contains address information about
/// the host.
///</returns>
public IPHostEntry EndGetHostEntry(IAsyncResult AsyncResult)
{
AsyncResult aResult = (AsyncResult)AsyncResult;
if (aResult.AsyncDelegate is GetHostEntryDelegate)
{
GetHostEntryDelegate g = (GetHostEntryDelegate)aResult.AsyncDelegate;
return(g.EndInvoke(AsyncResult));
}
if (aResult.AsyncDelegate is GetHostEntryViaIPDelegate)
{
GetHostEntryViaIPDelegate g = (GetHostEntryViaIPDelegate)aResult.AsyncDelegate;
return(g.EndInvoke(AsyncResult));
}
return(null);
}
/// <summary>
/// Asynchronously resolves an IP address to an System.Net.IPHostEntry instance.
/// </summary>
/// <param name="ip">The IP address to resolve.</param>
/// <param name="requestCallback">
/// An 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 requestCallback delegate when the operation is complete.
/// </param>
/// <returns>An System.IAsyncResult instance that references the asynchronous request.</returns>
public IAsyncResult BeginGetHostEntry(IPAddress ip, AsyncCallback requestCallback, object stateObject)
{
GetHostEntryViaIPDelegate g = new GetHostEntryViaIPDelegate(GetHostEntry);
return(g.BeginInvoke(ip, requestCallback, stateObject));
}
/// <summary>
/// Asynchronously resolves an IP address to an System.Net.IPHostEntry instance.
/// </summary>
/// <param name="ip">The IP address to resolve.</param>
/// <param name="requestCallback">
/// An 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 requestCallback delegate when the operation is complete.
/// </param>
/// <returns>An System.IAsyncResult instance that references the asynchronous request.</returns>
public IAsyncResult BeginGetHostEntry(IPAddress ip, AsyncCallback requestCallback, object stateObject)
{
GetHostEntryViaIPDelegate g = new GetHostEntryViaIPDelegate(GetHostEntry);
return g.BeginInvoke(ip, requestCallback, stateObject);
}
