/// <summary>
/// Zooms in or out by turning the mouse wheel by the specified (positive
/// or negative) delta.
/// </summary>
/// <param name="delta"></param>
/// <returns></returns>
public virtual ModelPage ZoomByMouseWheel(int delta)
{
ArgumentGuard.NotEquals(delta, 0, nameof(delta));
SeleniumUtils.ScrollElement(
Driver, workingAreaWebElement_, delta * MousewheelScrollFactor_);
WaitForZoomTransitionToEnd_();
return(this);
}