Can't draw

[jp_kettunen]

What's the problem with the following code? It doesn't draw. Tried everything - to no avail.

private double sessionOpen = 0;

protected override void OnMarketData()
{

if (sessionOpen == 0)
{

sessionOpen = Close[0];
DrawHorizontalLine("sessionOpenLine", true, sessionOpen, Color.Blue, DashStyle.Solid, 1);

}

}

[NinjaTrader_Matthew]

Hello,

Are you receiving any errors on the Log tab?

Why are you doing this in OnMarketData? This would be more CPU intensive. I'd suggest moving it to OnBarUpdate()

If you wish to use it in OnMarketData, you are missing some over rides.

The following should work as long as your connected to a data provider and getting OnMarketData calls

        protected override void OnMarketData(MarketDataEventArgs e)
        {

            if (sessionOpen == 0)
            {

                sessionOpen = Close[0];
                DrawHorizontalLine("sessionOpenLine", true, sessionOpen, Color.Blue, DashStyle.Solid, 1);

            }

        }

[jp_kettunen]

No errors, tried also inside OnBarUpdate, doesn't work. I feel myself stupid..
Should one call suffice, or do I need to call the method in connection with each new bar? All I need is one horizontal line extending from start of trading to present.

[NinjaTrader_Matthew]

One call should be enough to Draw it.

Are you connected to a data provider when doing this?

If you put a Print(Time[0]) statement in OnBarUpdate, do you get any recent calls?

[jp_kettunen]

Simulated data feed, Sim account, OnBarUpdate and OnMarketData get called by turns (verified), and everything else works as one could expect with Sim feed & account. Or do draw methods require real-time data?

[jp_kettunen]

Matthew,
Interesting finding: If I launch the strategy from a chart, the line appears. If from Control Center / Strategies tab (right click and so forth...), it doesn't. Is this a bug or a feature

[Radical]

Matthew,
Interesting finding: If I launch the strategy from a chart, the line appears. If from Control Center / Strategies tab (right click and so forth...), it doesn't. Is this a bug or a feature

If you don't start the strategy in a chart, the strategy won't know where to draw things.