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