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