本文整理匯總了C#中System.Net.Dns.BeginGetHostEntry方法的典型用法代碼示例。如果您正苦於以下問題：C# Dns.BeginGetHostEntry方法的具體用法？C# Dns.BeginGetHostEntry怎麽用？C# Dns.BeginGetHostEntry使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。
在下文中一共展示了Dns.BeginGetHostEntry方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: ManualResetEvent
// Signals when the resolve has finished.
public static ManualResetEvent GetHostEntryFinished =
new ManualResetEvent(false);
// Define the state object for the callback.
// Use hostName to correlate calls with the proper result.
public class ResolveState
{
string hostName;
IPHostEntry resolvedIPs;
public ResolveState(string host)
{
hostName = host;
}
public IPHostEntry IPs
{
get { return resolvedIPs; }
set { resolvedIPs = value; }
}
public string host
{
get { return hostName; }
set { hostName = value; }
}
}
// Record the IPs in the state object for later use.
public static void GetHostEntryCallback(IAsyncResult ar)
{
ResolveState ioContext = (ResolveState)ar.AsyncState;
ioContext.IPs = Dns.EndGetHostEntry(ar);
GetHostEntryFinished.Set();
}
// Determine the Internet Protocol (IP) addresses for
// this host asynchronously.
public static void DoGetHostEntryAsync(string hostname)
{
GetHostEntryFinished.Reset();
ResolveState ioContext= new ResolveState(hostname);
Dns.BeginGetHostEntry(ioContext.host,
new AsyncCallback(GetHostEntryCallback), ioContext);
// Wait here until the resolve completes (the callback
// calls .Set())
GetHostEntryFinished.WaitOne();
Console.WriteLine("EndGetHostEntry({0}) returns:", ioContext.host);
foreach (IPAddress address in ioContext.IPs.AddressList)
{
Console.WriteLine($" {address}");
}
}