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SetState Error

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  • NinjaTrader_JessicaP
    replied
    Hello engrvivs,

    You are correct, this was a mistake caused by my overlooking that part of your code.

    I would like to mention, the Help Guide section on Instrument mentions this :

    Originally posted by http://ninjatrader.com/support/helpGuides/nt7/instrument.htm
    NOTE: The properties in this class should NOT be accessed within the Initialize() method.
    In light of this, I would like to ask a few questions :

    1. Would it be possible for you to comment out this section in your code and replace it by this code?

      Print(Instrument);
      //Print(Instrument.FullName);
    2. Could you test that, then comment out the first line and uncomment the second line, and test that
    3. Could you provide some contextual information concerning the code surrounding your call to Instrument?

    Leave a comment:


  • engrvivs
    replied
    Thanks Jessica for the response!

    Yet, confusing point is before executing the Print command I have checked using:
    if (Instrument != null)

    Won't it do the same task as you suggested?

    Thanks

    Leave a comment:


  • NinjaTrader_JessicaP
    replied
    Hello engrvivs, and thank you for your question. It is very likely that your Instrument is not set up in advance of this call. I would recommend the following code change :

    Print(this.Name + " [" + DateTime.Now.ToString("dd-MMM-yyyy hh.mm.ss.ffffff") + "] " + (Instrument == null ? "(Instrument not yet set up) : Instrument.FullName) );

    Please let us know if there are any other ways we can help.

    Leave a comment:


  • engrvivs
    started a topic SetState Error

    SetState Error

    How can I avoid following error, while changing input of an indicator:

    Indicator '(null)': Error on calling 'SetState' method: Object reference not set to an instance of an object.

    Is it due to using following code within State.SetDefaults and State.SetConfigure:
    if (Instrument != null)
    {
    Print(this.Name + " [" + DateTime.Now.ToString("dd-MMM-yyyy hh.mm.ss.ffffff") + "] " + Instrument.FullName );
    }

    Kind Regards
    Vivek

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