/// <summary>
/// Get an enumeration of levels for each character.
/// </summary>
/// <returns></returns>
public IEnumerable <byte> GetLevels()
{
var levels = NativeMethods.ubidi_getLevels(_biDi, out var errorCode);
ExceptionFromErrorCode.ThrowIfError(errorCode, "BiDi level retrieval failed! " + errorCode);
var ret = new byte[ProcessedLength];
Marshal.Copy(levels, ret, 0, ret.Length);
return(ret);
}
