void Command_Numeric_Ceiling(FloorRoundCeilingDialog.Result result) => ReplaceSelections(Selections.AsParallel().AsOrdered().Select(range => Ceiling(decimal.Parse(GetString(range)), result.Interval).ToString()).ToList());
void Command_Numeric_Round(FloorRoundCeilingDialog.Result result) => ReplaceSelections(Selections.AsParallel().AsOrdered().Select(range => (Math.Round(decimal.Parse(GetString(range)) / result.Interval, MidpointRounding.AwayFromZero) * result.Interval).ToString()).ToList());
static public Result Run(Window parent) { var dialog = new FloorRoundCeilingDialog() { Owner = parent }; return dialog.ShowDialog() ? dialog.result : null; }