method getIsRowVisible

This method checks to see if the row at the given index is currently visible.

var selBox = scene.getBoxById("myListBox");
if (selBox)
{
    if (selBox.getIsRowVisible(2))
    {
        var bx = selBox.getBoxAtRow(2);
        if (bx)
        {
            bx.setAttribute("label", "Updating...");
        }
    }
}