/// <summary>
/// Called before the <see cref="E:System.Windows.UIElement.MouseWheel" /> event occurs to provide handling for the event in a derived class without attaching a delegate.
/// </summary>
/// <param name="e">A <see cref="T:System.Windows.Input.MouseWheelEventArgs" /> that contains the event data.</param>
protected override void OnMouseWheel(MouseWheelEventArgs e)
{
base.OnMouseWheel(e);
if (e.Handled || !this.IsMouseWheelEnabled)
{
return;
}
e.Handled = this.ActualController.HandleMouseWheel(this, e.ToMouseWheelEventArgs(this));
}