public bool SetGroupTitle(int groupNumber, string title)
{
ThrowIfDisposed();
if (Encoding.UTF8.GetByteCount(title) > ToxConstants.MaxNameLength)
throw new ArgumentException("The specified group title is longer than 256 bytes");
byte[] bytes = Encoding.UTF8.GetBytes(title);
return ToxFunctions.GroupSetTitle(_tox, groupNumber, bytes, (byte)bytes.Length) == 0;
}