protected override void OnBarUpdate() { if (CurrentBar < 45) return; bool bNBarsUpEvent = false; bool bNBarsDownEvent = false; for (int i = 0; i <= 7; i++) { double valueUp = NBarsUp(nBarsPeriod, true, true, true)[i]; double valueDown = NBarsDown(nBarsPeriod, true, true, true)[i]; if (valueUp == 1) { bNBarsUpEvent = true; BackColor = Color.Green; } if (valueDown == 1) { bNBarsDownEvent = true; BackColor = Color.Red; } } }
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Why error in log with NBarsUpEvent in for loop
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Why error in log with NBarsUpEvent in for loop
Hi, I am trying to check if there was an NBarsUp or -Down event during the last 7 bars. I tried this, but it doesn't work and I get an error message in the log: "Error on calling 'OnBarUpdate' method [...] You are accessing an index with a value that is invalid since its out of range.":
Code:Tags: None
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Hello Lonneman,
I would first try using our built in method CountIf() for this. Example usage below- checks if there has been any occurrence of NBarsup 3 within the last 7 bars and marks with a diamond.
if (CountIf(delegate {return NBarsUp(3, true, true, true)[0] == 1;}, 7) > 0)
{
DrawDiamond("" + CurrentBar, true, 0, High[0], Color.Red);
}Ryan M.NinjaTrader Customer Service
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