Here is what I have:-
if(CurrentBar - Convert.ToInt32(drawArray[3,j]) >= lookBack3 * barsInDay)
{
boxColor = "red";
}
else if(CurrentBar - Convert.ToInt32(drawArray[3,j]) >= lookBack2 * barsInDay)
{
boxColor = "green";
}
else if(CurrentBar - Convert.ToInt32(drawArray[3,j]) >= lookBack1 * barsInDay)
{
boxColor = "yellow";
}
DrawRectangle("up"+drawArray[1,i]+drawArray[2,i],CurrentBar - Convert.ToInt16(drawArray[3,i]),drawArray[1,i],0,drawArray[2,i],Color.boxColor);

Comment