Best Practices - Remove Draw Object

[westsider]

Is there a way to check to see if a Draw Object is nil before removing it? I'm getting an out of index error when I optimize my strategy and I think this is the culprit, it's a line I'm drawing in the indicator that the strategy calls

RemoveDrawObject("LeLine"+ (CurrentBar - 1));
Draw.Line(this, "LeLine"+CurrentBar.ToString(), false, entry.longLineLength, entry.longEntryPrice, 0, entry.longEntryPrice, Brushes.LimeGreen, DashStyleHelper.Solid, 4);

[NinjaTrader_AlanP]

Hello westsider,

You could use,

if(DrawObjects["LeLine"+(CurrentBar-1).ToString()] != null)
RemoveDrawObject("LeLine"+ (CurrentBar - 1));

See the following two sections of our helpguide,

http://ninjatrader.com/support/helpGuides/nt8/en-us/?drawingtools_drawobjects.htm

http://ninjatrader.com/support/helpGuides/nt8/en-us/?removedrawobject.htm

Please let us know if you need further assistance.

[westsider]

Thanks so much Alan! Can't believe I missed that in the docs.