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