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