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