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