VirtualBox Main API

### - h -

- handle : IGuestProcessIOEvent
- hardDisks : IVirtualBox
- hardLinks : IFsObjInfo
- hardwareAddress : IHostNetworkInterface
- hardwareUUID : IMachine
- hardwareVersion : IMachine
- hasData : ICursorPositionChangedEvent
- height : IFramebuffer, IGuestMonitorChangedEvent, IGuestScreenInfo, IMousePointerShape, IMousePointerShapeChangedEvent
- heightReduction : IFramebuffer
- help : IFormValue
- hidden : IUpdateAgent
- homeFolder : IVirtualBox
- host : IVirtualBox
- hostAddress : IPCIDeviceAttachment
- hostDrive : IMedium
- hostDrives : IHost
- hostIP : IHostOnlyNetwork, INATEngine
- hostIp : INATNetworkPortForwardEvent
- hostIP : INATRedirectEvent
- hostMode : ISerialPort
- hostname : IUnattended
- hostOnlyInterface : INetworkAdapter
- hostOnlyNetwork : INetworkAdapter
- hostOnlyNetworks : IVirtualBox
- hostPath : ISharedFolder
- hostPort : INATNetworkPortForwardEvent, INATRedirectEvent
- hotPluggable : IMediumAttachment
- hotX : IMousePointerShape
- hotY : IMousePointerShape
- HPETEnabled : IMachine
- HWVirtExNestedPagingEnabled : IMachineDebugger
- HWVirtExUXEnabled : IMachineDebugger
- HWVirtExVPIDEnabled : IMachineDebugger