SFML 2.4.2
Here is a list of all documented class members with links to the class documentation for each member:

### - o -

- O : sf::Keyboard
- Ok : sf::Ftp::Response , sf::Http::Response
- onCreate() : sf::RenderWindow , sf::Window
- One : sf::BlendMode
- OneMinusDstAlpha : sf::BlendMode
- OneMinusDstColor : sf::BlendMode
- OneMinusSrcAlpha : sf::BlendMode
- OneMinusSrcColor : sf::BlendMode
- onGetData() : sf::Music , sf::SoundStream
- onProcessSamples() : sf::SoundBufferRecorder , sf::SoundRecorder
- onReceive() : sf::Packet
- onResize() : sf::RenderWindow , sf::Window
- onSeek() : sf::Music , sf::SoundStream
- onSend() : sf::Packet
- onStart() : sf::SoundBufferRecorder , sf::SoundRecorder
- onStop() : sf::SoundBufferRecorder , sf::SoundRecorder
- open() : sf::FileInputStream , sf::MemoryInputStream , sf::SoundFileReader , sf::SoundFileWriter
- openForWriting() : sf::InputSoundFile
- openFromFile() : sf::InputSoundFile , sf::Music , sf::OutputSoundFile
- openFromMemory() : sf::InputSoundFile , sf::Music
- openFromStream() : sf::InputSoundFile , sf::Music
- OpeningDataConnection : sf::Ftp::Response
- operator BoolType() : sf::Packet
- operator std::string() : sf::String
- operator std::wstring() : sf::String
- operator T*() : sf::ThreadLocalPtr< T >
- operator!=() : sf::BlendMode , sf::Color , sf::Rect< T > , sf::String , sf::Time , sf::Vector2< T > , sf::Vector3< T > , sf::VideoMode
- operator%() : sf::Time
- operator%=() : sf::Time
- operator*() : sf::Color , sf::ThreadLocalPtr< T > , sf::Time , sf::Transform , sf::Vector2< T > , sf::Vector3< T >
- operator*=() : sf::Color , sf::Time , sf::Transform , sf::Vector2< T > , sf::Vector3< T >
- operator+() : sf::Color , sf::String , sf::Time , sf::Vector2< T > , sf::Vector3< T >
- operator+=() : sf::Color , sf::String , sf::Time , sf::Vector2< T > , sf::Vector3< T >
- operator-() : sf::Color , sf::Time , sf::Vector2< T > , sf::Vector3< T >
- operator-=() : sf::Color , sf::Time , sf::Vector2< T > , sf::Vector3< T >
- operator->() : sf::ThreadLocalPtr< T >
- operator/() : sf::Time , sf::Vector2< T > , sf::Vector3< T >
- operator/=() : sf::Time , sf::Vector2< T > , sf::Vector3< T >
- operator< : sf::IpAddress , sf::String , sf::Time , sf::VideoMode
- operator<<() : sf::Packet
- operator<=() : sf::String , sf::Time , sf::VideoMode
- operator=() : sf::Font , sf::SocketSelector , sf::Sound , sf::SoundBuffer , sf::SoundSource , sf::String , sf::Texture , sf::ThreadLocalPtr< T >
- operator==() : sf::BlendMode , sf::Color , sf::Rect< T > , sf::String , sf::Time , sf::Vector2< T > , sf::Vector3< T > , sf::VideoMode
- operator>() : sf::String , sf::Time , sf::VideoMode
- operator>=() : sf::String , sf::Time , sf::VideoMode
- operator>>() : sf::Packet
- operator[]() : sf::String , sf::VertexArray
- Orientation : sf::Sensor
- OutputSoundFile() : sf::OutputSoundFile