internal PairX(EnumX owner, bool autoExpand = false)
{
Owner = owner;
if (autoExpand)
{
AutoExpandRight = true;
}
owner.Add(this);
}
internal string[] GetEnumXlListValue(ColumnX cx) => (cx.HasEnumXRef && _relation_EumX_ColumnX.TryGetParent(cx, out EnumX ex)) ? ex.GetlListValue() : new string[0];