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Class and Function Documentation

Links to indexes and lists for finding class and function reference documentation.

Class Lists

All Qt Classes (main index)If you know the name of the class you want, find it here.
All Qt ModulesQt 4 comprises several modules. Each module is a separate library.
All Qt NamespacesA Qt namespace contains enum types, functions, and sometimes classes.
Annotated Class ListIf you don't know the name of the class you want, but you know what the class should do, you might try looking here.
Groups Of Related ClassesIf you know what kind of class you want (GUI, painting, I.O, etc), look here.
Inheritance HierarchyThe C++ class inheritance hierarchy for all classes in the Qt API.
Obsolete ClassesThese classes are obsolete and should not be used in new code.
Qt Full Framework EditionThe list of Qt classes included in the Full Framework Edition.
Qt GUI Framework EditionThe list of Qt classes included in the GUI Framework Edition.
Qt3 Support ClassesThese classes ease the porting of code from Qt 3 to Qt 4.

Function Lists

All Functions (main index)All documented Qt functions listed alphabetically with a link to where each one is declared.
Endian Conversion FunctionsThe <QtEndian> header provides functions to convert between little and big endian representations of numbers.
Generic AlgorithmsThe <QtAlgorithms> header includes the generic, template-based algorithms.
Global Qt DeclarationsThe <QtGlobal> header file includes the fundamental global declarations. It is included by most other Qt header files.
Platform-Specific FunctionsExported functions for fine tuning Qt applications.

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Qt 4.6.3