IcmpV4Statistics.TimeExceededMessagesSent 属性

定义

命名空间:

System.Net.NetworkInformation

程序集:

System.Net.NetworkInformation.dll

获取已发送的 Internet 控制消息协议版本 4 (ICMPv4)“超时”消息的数目。

public:
 abstract property long TimeExceededMessagesSent { long get(); };

public abstract long TimeExceededMessagesSent { get; }

member this.TimeExceededMessagesSent : int64

Public MustOverride ReadOnly Property TimeExceededMessagesSent As Long

属性值

Int64

一个 Int64 值，指定已发送的 ICMP“超时”消息的总数。

示例

以下示例显示此属性的值。

void ShowTimeExceededData()
{
   IPGlobalProperties ^ properties = IPGlobalProperties::GetIPGlobalProperties();
   IcmpV4Statistics ^ statistics = properties->GetIcmpV4Statistics();
   Console::WriteLine( "  TimeExceeded ........................ Sent: {0,-10}   Received: {1,-10}", 
      statistics->TimeExceededMessagesSent, 
      statistics->TimeExceededMessagesReceived );
}

public static void ShowTimeExceededData()
{
    IPGlobalProperties properties = IPGlobalProperties.GetIPGlobalProperties();
    IcmpV4Statistics statistics = properties.GetIcmpV4Statistics();
    Console.WriteLine("  TimeExceeded ........................ Sent: {0,-10}   Received: {1,-10}",
        statistics.TimeExceededMessagesSent, statistics.TimeExceededMessagesReceived);
}

Public Shared Sub ShowTimeExceededData() 
    Dim properties As IPGlobalProperties = IPGlobalProperties.GetIPGlobalProperties()
    Dim statistics As IcmpV4Statistics = properties.GetIcmpV4Statistics()
    Console.WriteLine("  TimeExceeded ........................ Sent: {0,-10}   Received: {1,-10}", statistics.TimeExceededMessagesSent, statistics.TimeExceededMessagesReceived)

End Sub

注解

数据包的跃点限制确定在丢弃数据包之前可以转发的次数。 每次转发数据包时，其跃点限制值都会递减 1。 当跃点限制达到零时，或者当路由器收到其跃点限制设置为零的数据包时，数据包将被丢弃，数据包的源会收到一条超过时间的消息，指示初始跃点限制太小或数据包在路由循环中捕获。