Here is a list of all class members with links to the classes they belong to:

### - u -

- uninitialize() : IInternalSessionControl
- unit : IPerformanceMetric
- unlock() : IFramebuffer
- unlockMedia() : IInternalMachineControl
- unlockRead() : IMedium
- unlockWrite() : IMedium
- unregisterCallback() : IConsole , IVirtualBox
- unregisterMachine() : IVirtualBox
- update() : IVFSExplorer
- updateMachineState() : IInternalSessionControl
- updateState() : IInternalMachineControl
- upperIP : IDHCPServer
- USBController : IMachine
- USBDeviceFilters : IHost
- USBDevices : IHost , IConsole
- USBStandard : IUSBController
- useHostIOCache : IStorageController
- user : IRemoteDisplayInfo
- usesGuestVRAM : IFramebuffer
- UTCTime : IHost