Qt Reference Documentation (Open Source Edition)

Getting Started	General	Developer Resources
What's New in Qt 4.5 How to Learn Qt Installation Tutorials, Examples and Demonstrations Porting from Qt 3 to Qt 4	About Qt About Us Commercial Edition Open Source Edition Supported Platforms	Frequently Asked Questions Qt Community Web Sites Qt Quarterly How to Report a Bug Other Online Resources
API Reference	Core Features	Key Technologies
All Classes Main Classes Grouped Classes Annotated Classes Qt Classes by Module All Namespaces Inheritance Hierarchy All Functions Qt for Embedded Platforms All Overviews and HOWTOs Qt Widget Gallery Qt Global Declarations	Signals and Slots Object Model Layout Management Main Window Architecture Paint System Graphics View Accessibility Tool and Container Classes Rich Text Processing Internationalization Plugin System Multithreaded Programming Inter-Process Communication (IPC) Unit Testing Framework	Model/View Programming Style Sheets Help Module Network Module OpenGL Module Script Module SQL Module SVG Module WebKit Integration XML Module XML Patterns: XQuery & XPath Phonon Multimedia Framework Script Tools Module ActiveQt Framework
Add-ons & Services	Tools	Licenses & Credits
Qt Solutions Partner Add-ons Third-Party Qt Components (qt-apps.org) Support Training	Qt Designer Qt Assistant Qt Linguist qmake All Tools	GNU GPL, GNU LGPL Third-Party Licenses Used in Qt Other Licenses Used in Qt Trademark Information Credits

Qt 4.5.3