public static void GetAdapters(out string IP, out string MAC)
{
StringBuilder s = new StringBuilder();
long structSize = Marshal.SizeOf(typeof(IP_ADAPTER_INFO));
IntPtr pArray = Marshal.AllocHGlobal(new IntPtr(structSize));
int ret = WinAPIDeclarations.GetAdaptersInfo(pArray, ref structSize);
if (ret == (int)AdaptersConsts.ERROR_BUFFER_OVERFLOW) // ERROR_BUFFER_OVERFLOW == 111
{
// Buffer was too small, reallocate the correct size for the buffer.
pArray = Marshal.ReAllocHGlobal(pArray, new IntPtr(structSize));
ret = WinAPIDeclarations.GetAdaptersInfo(pArray, ref structSize);
}
string ip = string.Empty, mac = string.Empty;
if (ret == 0)
{
// Call Succeeded
IntPtr pEntry = pArray;
do
{
// Retrieve the adapter info from the memory address
IP_ADAPTER_INFO entry = (IP_ADAPTER_INFO)Marshal.PtrToStructure(pEntry, typeof(IP_ADAPTER_INFO));
// ***Do something with the data HERE!***
//Console.WriteLine("\n");
//Console.WriteLine("Index: {0}", entry.Index.ToString());
// Adapter Type
string tmpString = string.Empty;
switch (entry.Type)
{
case (uint)AdaptersConsts.MIB_IF_TYPE_ETHERNET:
tmpString = "Ethernet";
break;
case (uint)AdaptersConsts.MIB_IF_TYPE_TOKENRING:
tmpString = "Token Ring";
break;
case (uint)AdaptersConsts.MIB_IF_TYPE_FDDI:
tmpString = "FDDI";
break;
case (uint)AdaptersConsts.MIB_IF_TYPE_PPP:
tmpString = "PPP";
break;
case (uint)AdaptersConsts.MIB_IF_TYPE_LOOPBACK:
tmpString = "Loopback";
break;
case (uint)AdaptersConsts.MIB_IF_TYPE_SLIP:
tmpString = "Slip";
break;
default:
tmpString = "Other/Unknown";
break;
} // switch
//Console.WriteLine("Adapter Type: {0}", tmpString);
//Console.WriteLine("Name: {0}", entry.AdapterName);
//Console.WriteLine("Desc: {0}\n", entry.AdapterDescription);
//Console.WriteLine("DHCP Enabled: {0}", (entry.DhcpEnabled == 1) ? "Yes" : "No");
if (entry.DhcpEnabled == 1)
{
//Console.WriteLine("DHCP Server : {0}", entry.DhcpServer.IpAddress.Address);
// Lease Obtained (convert from "time_t" to C# DateTime)
DateTime pdatDate = new DateTime(1970, 1, 1).AddSeconds(entry.LeaseObtained).ToLocalTime();
//Console.WriteLine("Lease Obtained: {0}", pdatDate.ToString());
// Lease Expires (convert from "time_t" to C# DateTime)
pdatDate = new DateTime(1970, 1, 1).AddSeconds(entry.LeaseExpires).ToLocalTime();
//Console.WriteLine("Lease Expires : {0}\n", pdatDate.ToString());
} // if DhcpEnabled
//Console.WriteLine("IP Address : {0}", entry.IpAddressList.IpAddress.Address);
//Console.WriteLine("Subnet Mask : {0}", entry.IpAddressList.IpMask.Address);
//Console.WriteLine("Default Gateway: {0}", entry.GatewayList.IpAddress.Address);
ip = entry.IpAddressList.IpAddress.Address;
if (ip != "0.0.0.0")
{
//s.Append(ip + " ");
tmpString = string.Empty;
for (int i = 0; i < entry.AddressLength - 1; i++)
{
tmpString += string.Format("{0:X2}-", entry.Address[i]);
}
//s.Append(string.Format("{0}{1:X2}", tmpString, entry.Address[entry.AddressLength - 1]));
mac = string.Format("{0}{1:X2}", tmpString, entry.Address[entry.AddressLength - 1]);
break;
}
// MAC Address (data is in a byte[])
//tmpString = string.Empty;
//for (int i = 0; i < entry.AddressLength - 1; i++)
//{
// tmpString += string.Format("{0:X2}-", entry.Address[i]);
//}
//Console.WriteLine("MAC Address : {0}{1:X2}\n", tmpString, entry.Address[entry.AddressLength - 1]);
//Console.WriteLine("Has WINS: {0}", entry.HaveWins ? "Yes" : "No");
//if (entry.HaveWins)
//{
// Console.WriteLine("Primary WINS Server : {0}", entry.PrimaryWinsServer.IpAddress.Address);
// Console.WriteLine("Secondary WINS Server: {0}", entry.SecondaryWinsServer.IpAddress.Address);
//} // HaveWins
// Get next adapter (if any)
pEntry = entry.Next;
} while (pEntry != IntPtr.Zero || (ip == string.Empty && mac == string.Empty));
Marshal.FreeHGlobal(pArray);
}
else
{
Marshal.FreeHGlobal(pArray);
throw new InvalidOperationException("GetAdaptersInfo failed: " + ret);
}
IP = ip;
MAC = mac;
}
