Kykle K created some hotkey scripts for marking the levels on the chart with different colored horizontal lines. I use this instead of manually editing the horizontal line configuration each time you want a different line style. It works in the newest version of Das.
Green:
ConfigTrendLine HorzLine DashLine:00bf00:2; HorizontalLine;
Orange:
ConfigTrendLine HorzLine DashLine:ff860d:2; HorizontalLine;
Pink:
ConfigTrendLine HorzLine DashLine:ff0080:2; HorizontalLine;
Red:
ConfigTrendLine HorzLine DashLine:ff3737:2; HorizontalLine;
Black:
ConfigTrendLine HorzLine DotLine:000000:1;
Blue Dashed Line:
ConfigTrendLine HorzLine DashLine:0000FF; HorizontalLine;
Blue Solid Line with Width of 2:
ConfigTrendLine HorzLine Line:0000FF:2; HorizontalLine;