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draw text error?

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    draw text error?

    I'm trying to debug a PRV indicator, and an error popped up that I didn't expect. The error first said:

    Error on calling the 'OnBarUpdate' method for indicator 'VolumePRV' on bar 0: VolumePRV.DrawText: startBarsAgo must be greater/equal 0 but was -4

    So I changed the value to 4, and another error message:

    Error on calling the 'OnBarUpdate' method for indicator 'VolumePRV' on bar 0: VolumePRV.DrawText: startBarsAgo out of valid range 0 through 0

    A range of 0 through 0 doesn't sound too helpful... here is my code:
    Code:
    DrawText("PRVnum", "PRV = " + PRVol.ToString(), 0, PRVol+200, Color.White);
    Any ideas of how to make this work? If I set the value to 0 the text is plotted too far right, and isn't readable. Also, why does the error talk about startBarsAgo while the documentation says just barsAgo?

    #2
    This error most likely stems from you not having enough bars on your chart when it is first called. If you want to have it 4 barsAgo go ahead and input 4. Then you will need to add this to your code to make it work: http://www.ninjatrader-support2.com/...ead.php?t=3170
    Josh P.NinjaTrader Customer Service

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