public void SetVol(int vol)
{
if (vol < 0)
throw new ArgumentException("vol < 0");
if (vol > 100)
throw new ArgumentException("vol > 100");
MpdResponse response = this.getConnection().Exec("setvol", new string[] { vol.ToString() });
if (response.IsError)
throw new MpdResponseException(response.ErrorCode, response.ErrorMessage);
}