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