public static IP_INTERFACE_INFO FromByteArray(Byte[] buffer)
{
unsafe
{
IP_INTERFACE_INFO rv = new IP_INTERFACE_INFO();
int iNumAdapters = 0;
Marshal.Copy(buffer, 0, new IntPtr(&iNumAdapters), 4);
NativeMethods.IP_ADAPTER_INDEX_MAP[] adapters = new NativeMethods.IP_ADAPTER_INDEX_MAP[iNumAdapters];
rv.NumAdapters = iNumAdapters;
rv.Adapter = new NativeMethods.IP_ADAPTER_INDEX_MAP[iNumAdapters];
int offset = sizeof(int);
for (int i = 0; i < iNumAdapters; i++)
{
NativeMethods.IP_ADAPTER_INDEX_MAP map = new NativeMethods.IP_ADAPTER_INDEX_MAP();
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(map));
Marshal.StructureToPtr(map, ptr, false);
Marshal.Copy(buffer, offset, ptr, Marshal.SizeOf(map));
map = (NativeMethods.IP_ADAPTER_INDEX_MAP)Marshal.PtrToStructure(ptr, typeof(NativeMethods.IP_ADAPTER_INDEX_MAP));
Marshal.FreeHGlobal(ptr);
rv.Adapter[i] = map;
offset += Marshal.SizeOf(map);
}
return(rv);
}
}
public static void IpReleaseAllAddresses()
{
IP_INTERFACE_INFO info = GetInterfaceInfo();
for (int i = 0; i < info.NumAdapters; i++)
{
IpReleaseAddress(info.Adapter[i]);
}
}
private void Page_Loaded(object sender, RoutedEventArgs e)
{
List <string> list = new List <string>();
IP_INTERFACE_INFO ips = Iphlpapi.GetInterfaceInfo();
list.Add(string.Format("Adapter count = {0}", ips.NumAdapters));
foreach (IP_ADAPTER_INDEX_MAP ip in ips.Adapter)
{
list.Add(string.Format("Index = {0}, Name = {1}", ip.Index, ip.Name));
}
listView1.ItemsSource = list;
}
public static IP_INTERFACE_INFO GetInterfaceInfo()
{
int size = 0;
int r = NativeMethods.GetInterfaceInfo(null, ref size);
Byte[] buffer = new Byte[size];
r = NativeMethods.GetInterfaceInfo(buffer, ref size);
if (r != NativeMethods.ERROR_SUCCESS)
{
throw new Exception("GetInterfaceInfo returned an error.");
}
IP_INTERFACE_INFO info = IP_INTERFACE_INFO.FromByteArray(buffer);
return(info);
}
