ServicePointManager.DnsRefreshTimeout 属性

定义

获取或设置一个值,该值指示域名服务 (DNS) 解析多长时间内视为有效。

public:
 static property int DnsRefreshTimeout { int get(); void set(int value); };
public static int DnsRefreshTimeout { get; set; }
static member DnsRefreshTimeout : int with get, set
Public Shared Property DnsRefreshTimeout As Integer

属性值

超时值(以毫秒为单位)。 值 -1 指示超时期限无限。 默认值是 120,000 毫秒(2 分钟)。

示例

下面的代码示例设置此属性。

ServicePointManager::UseNagleAlgorithm = true;
ServicePointManager::Expect100Continue = true;
ServicePointManager::CheckCertificateRevocationList = true;
ServicePointManager::DefaultConnectionLimit =
    ServicePointManager::DefaultPersistentConnectionLimit;
ServicePointManager::EnableDnsRoundRobin = true;
ServicePointManager::DnsRefreshTimeout = 4*60*1000; // 4 minutes
ServicePointManager.UseNagleAlgorithm = true;
ServicePointManager.Expect100Continue = true;
ServicePointManager.CheckCertificateRevocationList = true;
ServicePointManager.DefaultConnectionLimit = ServicePointManager.DefaultPersistentConnectionLimit;
ServicePointManager.EnableDnsRoundRobin = true;
ServicePointManager.DnsRefreshTimeout = 4*60*1000; // 4 minutes
ServicePointManager.UseNagleAlgorithm = True
ServicePointManager.Expect100Continue = True
ServicePointManager.CheckCertificateRevocationList = True
ServicePointManager.DefaultConnectionLimit = _
    ServicePointManager.DefaultPersistentConnectionLimit
ServicePointManager.EnableDnsRoundRobin = True
ServicePointManager.DnsRefreshTimeout = 4*60*1000

适用于

另请参阅