VirtualBox Main API

### - w -

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