VirtualBox Main API

### - w -

- w : IGuestMouseEvent
- waitable : IEvent
- webcams : IEmulatedUSB
- webServiceAuthLibrary : ISystemProperties
- whyUnusable : IExtPackBase
- width : IFramebuffer , IGuestMonitorChangedEvent , IGuestScreenInfo , IMousePointerShape , IMousePointerShapeChangedEvent
- winId : IFramebuffer , IShowWindowEvent
- wireless : IHostNetworkInterface
- writable : ISharedFolder