用C#編寫獲取遠程IP,MAC的方法

[DllImport("Iphlpapi.dll")] 
private static unsafe extern int SendARP(Int32 dest,Int32 host,ref IntPtr mac,ref IntPtr length); 
[DllImport("Ws2_32.dll")] 
private static extern Int32 inet_addr(string ip);

Int32 ldest= inet_addr("157.60.68.163");//目的地的ip 
Int32 lhost= inet_addr("157.60.68.33");//本地的ip
try 
{ 
Byte[] macinfo=new Byte[6]; 
Int32 length=6;
IntPtr mac=new IntPtr(macinfo[0]); 
IntPtr len=new IntPtr(6); 
int ii=SendARP(ldest,lhost, ref mac, ref len);
Console.WriteLine("Mac Add:"+mac); 
Console.WriteLine("length:"+len);
} 
catch(Exception err) 
{ 
Console.WriteLine(err); 
} </pre></span>