'Declaration
Public Event ControlMouseWheel As ThumbnailEx.ControlMouseWheelEventHandler
public event ThumbnailEx.ControlMouseWheelEventHandler ControlMouseWheel
public event ControlMouseWheel: ThumbnailEx.ControlMouseWheelEventHandler;
In JScript, you can handle the events defined by another class, but you cannot define your own.
public: __event ThumbnailEx.ControlMouseWheelEventHandler* ControlMouseWheel
public: event ThumbnailEx.ControlMouseWheelEventHandler^ ControlMouseWheel