VirtualBox Main API

### - f -

- facilities : IGuest
- facility : IGuestAdditionsStatusChangedEvent
- familyDescription : IGuestOSType
- familyId : IGuestOSType
- fatal : IRuntimeErrorEvent
- features : IRecordingScreenSettings
- file : IGuestFileEvent
- fileAttributes : IFsObjInfo
- filename : IFile, IRecordingScreenSettings
- filePath : IExtPackFile
- files : IGuestSession
- filter : IDirectory
- firmwareSettings : IMachine
- firmwareType : IFirmwareSettings
- fixedAddress : IDHCPIndividualConfig
- flags : IGuestPropertyChangedEvent
- floppyDrives : IHost
- floppyImages : IVirtualBox
- forcedOptions : IDHCPConfig
- format : IMedium
- formats : IDnDBase
- freeDiskSpaceError : ISystemProperties
- freeDiskSpacePercentError : ISystemProperties
- freeDiskSpacePercentWarning : ISystemProperties
- freeDiskSpaceWarning : ISystemProperties
- freeSize : IFsInfo
- friendlyName : ICertificate
- frontend : IExtPackPlugIn
- fullName : ICPUProfile
- fullUserName : IUnattended
- fWasDeleted : IGuestPropertyChangedEvent