/// <summary> /// Query all the whois server specifying list of whois servers and the top level domain asynchronously /// </summary> /// <returns>IAsyncResult object that represents the result of the GlobalQueryAsync operation.</returns> /// <example> /// <code lang="CS"> /// WhoIs whoIs = new WhoIs(); /// /// Server server1 = new Server(); /// server1.Host = "whois.networksolutions.com"; /// server1.Port = 43; /// server1.Domain = ".com"; /// server1.NoMatch = "no match"; /// servers.Add(server1); /// /// Server server2 = new Server(); /// server2.Host = "whois.nic.co.uk"; /// server2.Port = 43; /// server2.Domain = ".co.uk"; /// server2.NoMatch = "no match"; /// servers.Add(server2); /// /// IAsyncResult state = whoIs.GlobalQueryAsync(servers,"activeup",new AsyncCallback(MyCallbackGlobalWhoIs)); /// /// public static void MyCallbackGlobalWhoIs(IAsyncResult state) /// { /// try /// { /// ResultQueryCollection results = whoIs.GlobalQueryAsyncResult(state); /// /// foreach(ResultQuery result in results) /// { /// Console.WriteLine(result.Result); /// Console.WriteLine(result.ServerUsed.Host); /// if (result.Error != null) /// Console.WriteLine(result.Error.ToString()); /// Console.WriteLine("press enter to continue..."); /// Console.ReadLine(); /// } /// } /// /// catch(Exception ex) /// { /// Console.WriteLine("An unhandled exception was thrown : " + ex.Message); /// } /// </code> /// <code lang="VB" title="VB.NET"> /// Dim whoIs As WhoIs = New WhoIs() /// /// Dim servers As ServerCollection = New ServerCollection() /// /// Dim server1 As Server = New Server() /// server1.Host = "whois.networksolutions.com" /// server1.Port = 43 /// server1.Domain = ".com" /// server1.NoMatch = "no match" /// servers.Add(server1) /// /// Dim server2 As Server = New Server() /// server2.Host = "whois.nic.co.uk" /// server2.Port = 43 /// server2.Domain = ".co.uk" /// server2.NoMatch = "no match" /// servers.Add(server2) /// /// Dim state As IAsyncResult = whoIs.GlobalQueryAsync(servers, "activeup", New AsyncCallback(AddressOf MyCallbackGlobalWhoIs)) /// /// Public Sub MyCallbackGlobalWhoIs(ByVal state As IAsyncResult) /// /// Try /// /// Dim results As ResultQueryCollection = whoIs.GlobalQueryAsyncResult(state) /// /// Dim result As ResultQuery /// For Each result In results /// Console.WriteLine(result.Result) /// Console.WriteLine(result.ServerUsed.Host) /// If (Not (result.Error Is Nothing)) Then /// Console.WriteLine(result.Error.ToString()) /// End If /// Console.WriteLine("press enter to continue...") /// Console.ReadLine() /// Next result /// /// Catch ex As Exception /// Console.WriteLine("An unhandled exception was thrown : " + ex.Message) /// /// End Try /// /// End Sub /// </code> /// </example> /// <param name="servers">Whois servers list.</param> /// <param name="domainToQuery">Top level domain to query.</param> /// <param name="callBack">Call back function.</param> public IAsyncResult GlobalQueryAsync(ServerCollection servers, string domainToQuery, AsyncCallback callBack) { _globalQueryDelegate = new GlobalQueryDelegate(_GlobalQuery); return _globalQueryDelegate.BeginInvoke(servers,domainToQuery,callBack,null); }
/// <summary> /// Query all the whois servers specifying the top level domain asynchronously. /// </summary> /// <returns>IAsyncResult object that represents the result of the GlobalQueryAsync operation.</returns> /// <example> /// <code lang="CS"> /// WhoIs whoIs = new WhoIs(); /// /// IAsyncResult state = whoIs.GlobalQueryAsync("activeup",new AsyncCallback(MyCallbackGlobalWhoIs)); /// /// public static void MyCallbackGlobalWhoIs(IAsyncResult state) /// { /// try /// { /// ResultQueryCollection results = whoIs.GlobalQueryAsyncResult(state); /// /// foreach(ResultQuery result in results) /// { /// Console.WriteLine(result.Result); /// Console.WriteLine(result.ServerUsed.Host); /// if (result.Error != null) /// Console.WriteLine(result.Error.ToString()); /// Console.WriteLine("press enter to continue..."); /// Console.ReadLine(); /// } /// } /// /// catch(Exception ex) /// { /// Console.WriteLine("An unhandled exception was thrown : " + ex.Message); /// } /// </code> /// <code lang="VB" title="VB.NET"> /// Dim whoIs As WhoIs = New WhoIs() /// /// Dim state As IAsyncResult = whoIs.GlobalQueryAsync("activeup", New AsyncCallback(AddressOf MyCallbackGlobalWhoIs)) /// /// Public Sub MyCallbackGlobalWhoIs(ByVal state As IAsyncResult) /// /// Try /// /// Dim results As ResultQueryCollection = whoIs.GlobalQueryAsyncResult(state) /// /// Dim result As ResultQuery /// For Each result In results /// Console.WriteLine(result.Result) /// Console.WriteLine(result.ServerUsed.Host) /// If (Not (result.Error Is Nothing)) Then /// Console.WriteLine(result.Error.ToString()) /// End If /// Console.WriteLine("press enter to continue...") /// Console.ReadLine() /// Next result /// /// Catch ex As Exception /// Console.WriteLine("An unhandled exception was thrown : " + ex.Message) /// /// End Try /// /// End Sub /// </code> /// </example> /// <param name="domainToQuery">Top level domain to query.</param> /// <param name="callBack">Call back function.</param> public IAsyncResult GlobalQueryAsync(string domainToQuery, AsyncCallback callBack) { _globalQueryDelegate = new GlobalQueryDelegate(_GlobalQuery); return _globalQueryDelegate.BeginInvoke(null,domainToQuery,callBack,null); }