IcmpV4Statistics.EchoRequestsSent Свойство

Определение

Пространство имен:

System.Net.NetworkInformation

Сборка:

System.Net.NetworkInformation.dll

Возвращает количество отправленных сообщений ICMPv4 "Запрос проверки связи" (Echo Request).

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

public abstract long EchoRequestsSent { get; }

member this.EchoRequestsSent : int64

Public MustOverride ReadOnly Property EchoRequestsSent As Long

Значение свойства

Int64

Значение типа Int64, указывающее общее количество отпарвленных сообщений ICMP "Запрос проверки связи" (Echo Request).

Примеры

В следующем примере отображается значение этого свойства.

void ShowIcmpV4EchoData()
{
   IPGlobalProperties ^ properties = IPGlobalProperties::GetIPGlobalProperties();
   IcmpV4Statistics ^ statistics = properties->GetIcmpV4Statistics();
   Console::WriteLine( "  Echo Requests ....................... Sent: {0,-10}   Received: {1,-10}", 
      statistics->EchoRequestsSent, 
      statistics->EchoRequestsReceived );
   Console::WriteLine( "  Echo Replies ........................ Sent: {0,-10}   Received: {1,-10}", 
      statistics->EchoRepliesSent, 
      statistics->EchoRepliesReceived );
}

public static void ShowIcmpV4EchoData()
{
    IPGlobalProperties properties = IPGlobalProperties.GetIPGlobalProperties();
    IcmpV4Statistics statistics = properties.GetIcmpV4Statistics();
    Console.WriteLine("  Echo Requests ....................... Sent: {0,-10}   Received: {1,-10}",
        statistics.EchoRequestsSent, statistics.EchoRequestsReceived);
    Console.WriteLine("  Echo Replies ........................ Sent: {0,-10}   Received: {1,-10}",
        statistics.EchoRepliesSent, statistics.EchoRepliesReceived);
}

Public Shared Sub ShowIcmpV4EchoData() 
    Dim properties As IPGlobalProperties = IPGlobalProperties.GetIPGlobalProperties()
    Dim statistics As IcmpV4Statistics = properties.GetIcmpV4Statistics()
    Console.WriteLine("  Echo Requests ....................... Sent: {0,-10}   Received: {1,-10}", statistics.EchoRequestsSent, statistics.EchoRequestsReceived)
    Console.WriteLine("  Echo Replies ........................ Sent: {0,-10}   Received: {1,-10}", statistics.EchoRepliesSent, statistics.EchoRepliesReceived)

End Sub

Комментарии

Сообщения Echo Request и Echo Reply позволяют компьютеру запрашивать ответ ICMP с удаленного компьютера в сети. Эта функция часто используется для определения допустимости удаленных адресов.