LowestVisibleValue
- get the lowest value within visible chart area

Indicators
(AmiBroker 5.30)

Should be applied only in indicators as only indicators have concept of "visible" bars. The function will return Null value if no visible bars are present. The function is equivalent to the following coding:

function LowestVisibleValueEquivalent( array )
{
 bv = Status("barvisible");
 ll = 1e8;
 for( i = 0; i < BarCount; i++ )
 {
  if( bv[ i ] AND array[ i ] < ll ) ll = array[ i ];
 }
 return ll;
}