/// <summary>
/// Returns intersection with other range,
/// empty range returned otherwise
/// </summary>
/// <param name="range"></param>
/// <returns></returns>
public virtual Range GetIntersectionWith(Range range)
{
if (ColumnSelectionMode)
{
return(GetIntersectionWith_ColumnSelectionMode(range));
}
Range r1 = this.Clone();
Range r2 = range.Clone();
r1.Normalize();
r2.Normalize();
Place newStart = r1.Start > r2.Start ? r1.Start : r2.Start;
Place newEnd = r1.End < r2.End ? r1.End : r2.End;
if (newEnd < newStart)
{
return(new Range(tb, start, start));
}
return(tb.GetRange(newStart, newEnd));
}