Create Wav player and dispose after it reaches end of the file

gistfile1.cs

public class PlayFileCommand : ICommand
    {
        private readonly ISipUserAgent _userAgent;
        private readonly IContainer _container;

        public PlayFileCommand(ISipUserAgent userAgent, IContainer container)
        {
            _userAgent = userAgent;
            _container = container;
        }

        public void Execute()
        {
            var player = _container.Get<IWavPlayer>();
            player.Completed += (sender, args) =>
            {
                System.Console.WriteLine("Player {0} has reached the end of file {1}", player.Id, player.File);
                player.Dispose();
            };
            player.Start("NeroSoundTrax_test8_PCM_Mono_VBR_16SS_48000Hz.wav", false) ;
            _userAgent.MediaManager.ConferenceBridge.ConnectToSoundDevice(player.ConferenceSlot.SlotId);
        }
    }