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