/// <summary>
/// Retrieves instrument information for the given <paramref name="sndfile"/> file.
/// </summary>
/// <param name="sndfile">Audio file to example for instrument information.</param>
/// <returns><see cref="LibsndfileInstrumentInfo"/> structure containing info about the given file.</returns>
public LibsndfileInstrumentInfo?GetInstrument(IntPtr sndfile)
{
if (sndfile == IntPtr.Zero)
{
throw new ArgumentException("File handle is invalid/closed.");
}
return(m_Api.GetInstrument(sndfile));
}