namespace System.Net.NetworkInformation { public abstract class IPGlobalProperties { public abstract string DhcpScopeName { get; } public abstract string DomainName { get; } public abstract string HostName { get; } public abstract bool IsWinsProxy { get; } public abstract NetBiosNodeType NodeType { get; } protected IPGlobalProperties(); public virtual IAsyncResult BeginGetUnicastAddresses(AsyncCallback callback, object state); public virtual UnicastIPAddressInformationCollection EndGetUnicastAddresses(IAsyncResult asyncResult); public abstract TcpConnectionInformation[] GetActiveTcpConnections(); public abstract IPEndPoint[] GetActiveTcpListeners(); public abstract IPEndPoint[] GetActiveUdpListeners(); public abstract IcmpV4Statistics GetIcmpV4Statistics(); public abstract IcmpV6Statistics GetIcmpV6Statistics(); public static IPGlobalProperties GetIPGlobalProperties(); public abstract IPGlobalStatistics GetIPv4GlobalStatistics(); public abstract IPGlobalStatistics GetIPv6GlobalStatistics(); public abstract TcpStatistics GetTcpIPv4Statistics(); public abstract TcpStatistics GetTcpIPv6Statistics(); public abstract UdpStatistics GetUdpIPv4Statistics(); public abstract UdpStatistics GetUdpIPv6Statistics(); public virtual UnicastIPAddressInformationCollection GetUnicastAddresses(); public virtual Task<UnicastIPAddressInformationCollection> GetUnicastAddressesAsync(); } }