using System; using System.Collections.Generic; using System.Runtime.InteropServices; using System.Text; namespace Apewer.Internals.Interop { class IpHlpApi { [DllImport("iphlpapi.dll", CharSet = CharSet.Ansi, ExactSpelling = true, SetLastError = true)] public static extern uint SendARP(uint DestIP, uint SrcIP, ref ulong MacAddr, ref uint AddrLen); } }