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IPGlobalProperties.GetTcpIPv4Statistics Method

Provides Transmission Control Protocol/Internet Protocol version 4 (TCP/IPv4) statistical data for the local computer.

Namespace: System.Net.NetworkInformation
Assembly: System (in system.dll)

public abstract TcpStatistics GetTcpIPv4Statistics ()
public abstract TcpStatistics GetTcpIPv4Statistics ()
public abstract function GetTcpIPv4Statistics () : TcpStatistics
Not applicable.

Return Value

A TcpStatistics object that provides TCP/IPv4 traffic statistics for the local computer.

Exception typeCondition

NetworkInformationException

The call to the Win32 function GetTcpStatistics failed.

TCP is a transport layer protocol that is responsible for reliably sending and receiving data packets. It is defined in IETF RFC 793.

For details on the TCP traffic statistics available to applications, see the TcpStatistics class documentation. Note that the object returned by this method reflects the statistics as of the time the TcpStatistics object is created. This information is not updated dynamically.

The following example displays the TCP/IP statistics for the local computer.

public static void ShowTcpStatistics(NetworkInterfaceComponent version)
{
    IPGlobalProperties properties = IPGlobalProperties.GetIPGlobalProperties();
    TcpStatistics tcpstat = null;
    Console.WriteLine("");
    switch (version)
    {
        case NetworkInterfaceComponent.IPv4:
             tcpstat = properties.GetTcpIPv4Statistics();
            Console.WriteLine("TCP/IPv4 Statistics:");
            break;
        case NetworkInterfaceComponent.IPv6:
            tcpstat = properties.GetTcpIPv6Statistics();
            Console.WriteLine("TCP/IPv6 Statistics:");
            break;
        default:
            throw new ArgumentException("version");
            break;
    }
    Console.WriteLine("  Minimum Transmission Timeout............. : {0}", 
        tcpstat.MinimumTransmissionTimeout);
    Console.WriteLine("  Maximum Transmission Timeout............. : {0}", 
        tcpstat.MaximumTransmissionTimeout);
        
    Console.WriteLine("  Connection Data:");
    Console.WriteLine("      Current  ............................ : {0}", 
    tcpstat.CurrentConnections);
    Console.WriteLine("      Cumulative .......................... : {0}", 
        tcpstat.CumulativeConnections);
    Console.WriteLine("      Initiated ........................... : {0}", 
        tcpstat.ConnectionsInitiated);
    Console.WriteLine("      Accepted ............................ : {0}", 
        tcpstat.ConnectionsAccepted);
    Console.WriteLine("      Failed Attempts ..................... : {0}", 
        tcpstat.FailedConnectionAttempts);
    Console.WriteLine("      Reset ............................... : {0}", 
        tcpstat.ResetConnections);
        
    Console.WriteLine("");
    Console.WriteLine("  Segment Data:");
    Console.WriteLine("      Received  ........................... : {0}", 
        tcpstat.SegmentsReceived);
    Console.WriteLine("      Sent ................................ : {0}", 
        tcpstat.SegmentsSent);
    Console.WriteLine("      Retransmitted ....................... : {0}", 
        tcpstat.SegmentsResent);
    
    Console.WriteLine("");
}

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0
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