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Indicates if the specified input is set at a specified bar index value.  Please also see the Reset() method for more information.



If called directly from the instance of the NinjaScript object, the value returned corresponds to the Inputs Series (e.g., Close, High, Low, SMA, etc.)
When checking a Bar or PriceSeries, IsValidDataPoint() returns true as long as the barIndex value falls between 0 and the total count for that series.  These are special series which always contain a value set at every slot index for multi-series scripting purposes (e.g., comparing two price series with various session templates, or one series has more ticks than the other)
For a Value series or custom Series<T>, IsValidPlot() returns true or false depending on if you have set a value at that index location



Method Return Value

A bool value, when true indicates that specified data point is set; otherwise false.


Warning:  Calling IsValidDataPointAt() will only work a MaximumBarsLookBackInfinite series.  Attempting to check IsValidDataPointAt() MaximumBarsLookBack256 series throw an error.  Please check the Log tab of the Control Center




IsValidDataPointAt(int barIndex)

ISeries<T>.IsValidDataPointAt(int barIndex)



An int representing an absolute bar index value





protected override void OnBarUpdate()
  // only set plot value if hosted indicator is not reset
    MyPlot[0] = SMA(20)[0];