public static BLUETOOTH_FIND_RADIO_PARAMS Create()
        {
            BLUETOOTH_FIND_RADIO_PARAMS p = new BLUETOOTH_FIND_RADIO_PARAMS();

            p.dwSize = Marshal.SizeOf(p);
            return(p);
        }
 internal static extern IntPtr BluetoothFindFirstRadio(ref BLUETOOTH_FIND_RADIO_PARAMS pbtfrp, out IntPtr phRadio);