问Windows Phone 7.1 BackgroundAudioPlayer错误代码(0x803a000a)

EN

protected override void OnError(BackgroundAudioPlayer player, AudioTrack track, Exception error, bool isFatal)
{
    if (isFatal)
    {
        player.Track = null;
        switch (error.Message)
        {
            case "-2147012889":
                //MessageBox.Show("Cannot connect to streaming server.");
                break;
            case "-2147012696":
                MessageBox.Show("No available network connection.");
                break;
            case "-1072889830":
                MessageBox.Show("Cannot find stream.");
                break;
            case "-2147467259":
                //MessageBox.Show("Error. Try again later.");
                break;
        }
        Abort();
    }
    else
    {
        player.Track = null;
        switch (error.Message)
        {
            case "-2147012889":
                //MessageBox.Show("Cannot connect to streaming server.");
                break;
            case "-2147012696":
                //MessageBox.Show("No available network connection.");
                break;
            case "-1072889830":
                //MessageBox.Show("Cannot find stream.");
                break;
            case "-2147467259":
                //MessageBox.Show("Error. Try again later.");
                break;
        }
        NotifyComplete();
    }

}