/// <summary>
/// Called when the mouse wheel is scrolled.
/// </summary>
/// <param name="args">An instance that contains the event data.</param>
protected override void OnMouseScrolled(MouseScrolledEventArgs args)
{
base.OnMouseScrolled(args);
if (args.Handled)
return;
args.Handled = ActualController.HandleMouseWheel(this,
args.ToOxyMouseWheelEventArgs());
}
