Help with Ray Anchor Points

[maltese]

Hi NT Support,

I have the following code in a strategy I'm developing:

if(myLine == null && State != State.Historical) //Initial set of Ray
{
         myLine = Draw.Ray(this, "MyLine", true, 10, High[10], 5, High[10], Brushes.Blue, DashStyleHelper.Solid, 2);
         myLine.IsLocked = false;
}

if(myLine != null && State != State.Historical) 
{
        Print(DateTime.Now+" Last BarsAgo= "+myLine.EndAnchor.BarsAgo+" First BarsAgo= "+myLine.StartAnchor.BarsAgo);
}

Before I manually move the Ray on the chart, the following info is printed, which is correct:

10/22/2019 4:32:51 PM Last BarsAgo= 5 First BarsAgo= 10


But, after I manually move the Ray on the chart, I get the following output:

10/22/2019 4:32:52 PM Last BarsAgo= -2147483648 First BarsAgo= 10



I'm trying to ascertain why the BarsAgo value for the EndAnchor appears to get corrupted or be incorrect.

[NinjaTrader_Jesse]

Hello maltese,

Thank you for the post.

This is expected as the object is now a manually drawn after moving it. The BarsAgo property and also the DrawnOnBar only relate to script drawn objects, you instead would need to use SlotIndex after manually moving it.This is noted in the BarsAgo and DrawnOnBar documentation.

Please note that SlotIndex is not exactly the same as your scripts BarsAgo. The SlotIndex is the nearest bar slot value where anchor is drawn on a chart.

https://ninjatrader.com/support/helpGuides/nt8/?barsago.htm

https://ninjatrader.com/support/helpGuides/nt8/?drawnonbar.htm.


I look forward to being of further assistance.

[maltese]

Hello maltese,

Thank you for the post.

This is expected as the object is now a manually drawn after moving it. The BarsAgo property and also the DrawnOnBar only relate to script drawn objects, you instead would need to use SlotIndex after manually moving it.This is noted in the BarsAgo and DrawnOnBar documentation.

Please note that SlotIndex is not exactly the same as your scripts BarsAgo. The SlotIndex is the nearest bar slot value where anchor is drawn on a chart.

https://ninjatrader.com/support/helpGuides/nt8/?barsago.htm

https://ninjatrader.com/support/helpGuides/nt8/?drawnonbar.htm.


I look forward to being of further assistance.

OK. Thanks. That helped.