Value

// OnBarUpdate method of a custom indicator

protected override void OnBarUpdate()

{

    // Ensures we have enough bars loaded for our indicator

    if (CurrentBar < 1)

        return;

    // Checks the indicator primary value 1 bar ago and sets the value of the indicator

    // for the current bar being evaluated

    if (Value[1] < High[0] - Low[0])

         Value.Set(High[0] - Low[0]);

    else

         Value.Set(High[0] - Close[0]);

}