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