protected override bool AddValueRange(RangeOfValues rov)
{
var addsRange = base.AddValueRange(rov);
ConcatenateExistingRanges();
Ranges.RemoveWhere(rg => Limits.FiltersRange(rg.Start, rg.End));
SingleValues.RemoveWhere(sv => Ranges.Any(rg => rg.Filters(sv)));
return(addsRange);
}
