FundamentalData

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// Example of subscribing/unsubscribing to fundamental data from an Add On. The concept can be carried over
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// to any NinjaScript object you may be working on.
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public class MyAddOnTab : NTTabPage
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{
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    private Instrument instrument;
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    public MyAddOnTab()
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    {
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        instrument = Instrument.GetInstrument("AAPL");
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        if (instrument == null)
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            return;
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        // Subscribe to fundamental data. Snapshot data is provided right on subscription
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        if (!instrument.Dispatcher.HasShutdownStarted)
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            instrument.Dispatcher.InvokeAsync(() => instrument.FundamentalData.Update += OnFundamentalData);
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        // Printing snapshot fundamental data for average daily volume
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        NinjaTrader.Code.Output.Process(instrument.FundamentalData.AverageDailyVolume, PrintTo.OutputTab1);
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    }
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    // This method is fired on fundamental data events
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    private void OnFundamentalData(object sender, FundamentalDataEventArgs e)
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    {
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        // Do something with fundamental data events
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    }
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    // Called by TabControl when tab is being removed or window is closed
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    public override void Cleanup()
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    {
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        // Make sure to unsubscribe to the fundamental data subscription
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        if (instrument != null)
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            instrument.FundamentalData.Update -= OnFundamentalData;
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    }
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    // Other required NTTabPage members left out for demonstration purposes. Be sure to add them in your own code.
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}