private static IObservable<IList<BluetoothDeviceInfo>> DiscoverDevices(BluetoothClient bluetoothClient)
{
return Task.Factory
.FromAsync<BluetoothDeviceInfo[]>(
(callback, state) =>
bluetoothClient.BeginDiscoverDevices(byte.MaxValue, true, true, true, false, callback, state),
bluetoothClient.EndDiscoverDevices,
null)
.ToObservable();
}