public static WlanConnectionInfo GetCurrentConnection(Guid guid)
        {
            uint               num;
            uint               num1 = 0;
            IntPtr             zero = IntPtr.Zero;
            WlanConnectionInfo wlanConnectionInfo = null;

            if (WlanApiWrapper.WlanOpenHandle(2, IntPtr.Zero, out num1, out zero) == 0)
            {
                IntPtr intPtr = IntPtr.Zero;
                if (WlanApiWrapper.WlanQueryInterface(zero, ref guid, WlanApiWrapper.WLAN_INTF_OPCODE.wlan_intf_opcode_current_connection, IntPtr.Zero, out num, ref intPtr, IntPtr.Zero) == 0)
                {
                    WlanApiWrapper.WLAN_CONNECTION_ATTRIBUTES structure = (WlanApiWrapper.WLAN_CONNECTION_ATTRIBUTES)Marshal.PtrToStructure(intPtr, typeof(WlanApiWrapper.WLAN_CONNECTION_ATTRIBUTES));
                    WlanConnectionInfo wlanConnectionInfo1 = new WlanConnectionInfo()
                    {
                        State          = structure.isState,
                        ConnectionMode = structure.wlanConnectionMode,
                        ProfileName    = structure.strProfileName
                    };
                    wlanConnectionInfo = wlanConnectionInfo1;
                    if (intPtr != IntPtr.Zero)
                    {
                        WlanApiWrapper.WlanFreeMemory(intPtr);
                    }
                }
                WlanApiWrapper.WlanCloseHandle(zero, IntPtr.Zero);
            }
            return(wlanConnectionInfo);
        }
        public static IEnumerable <WlanInterfaceInfo> EnumInterfaces()
        {
            uint   num  = 0;
            IntPtr zero = IntPtr.Zero;

            if (WlanApiWrapper.WlanOpenHandle(2, IntPtr.Zero, out num, out zero) == 0)
            {
                IntPtr intPtr = IntPtr.Zero;
                if (WlanApiWrapper.WlanEnumInterfaces(zero, IntPtr.Zero, out intPtr) == 0)
                {
                    int num1 = Marshal.ReadInt32(intPtr, 0);
                    Marshal.ReadInt32(intPtr, 4);
                    for (int i = 0; i < num1; i++)
                    {
                        IntPtr intPtr1 = new IntPtr(intPtr.ToInt32() + i * 532 + 8);
                        WlanApiWrapper.WLAN_INTERFACE_INFO structure = (WlanApiWrapper.WLAN_INTERFACE_INFO)Marshal.PtrToStructure(intPtr1, typeof(WlanApiWrapper.WLAN_INTERFACE_INFO));
                        WlanInterfaceInfo wlanInterfaceInfo          = new WlanInterfaceInfo()
                        {
                            Guid        = structure.InterfaceGuid,
                            Description = structure.strInterfaceDescription,
                            State       = structure.isState
                        };
                        yield return(wlanInterfaceInfo);
                    }
                    if (intPtr != IntPtr.Zero)
                    {
                        WlanApiWrapper.WlanFreeMemory(intPtr);
                    }
                }
                WlanApiWrapper.WlanCloseHandle(zero, IntPtr.Zero);
            }
        }